# Catriona Agg's Geometry Puzzles from 2019 1. [[three circles in a rectangle]] _Dec 31, 2019_ +-- {.miniimage} [[ThreeCirclesinaRectangle_small.png:pic]] =-- 1. [[two semi-circles inside a semi-circle]] _Dec 29, 2019_ +-- {.miniimage} [[TwoSemiCirclesInsideaSemiCircle_small.png:pic]] =-- 1. [[two squares]] _Dec 28, 2019_ +-- {.miniimage} [[TwoSquares_small.png:pic]] =-- 1. [[three squares and an equilateral triangle]] _Dec 26, 2019_ +-- {.miniimage} [[ThreeSquaresandanEquilateralTriangle_small.png:pic]] =-- 1. [[pentagram in a circle]] _Dec 24, 2019_ +-- {.miniimage} [[PentagraminaCircle_small.png:pic]] =-- 1. [[rectangle quartered by semi-circles]] _Dec 23, 2019_ +-- {.miniimage} [[RectangleQuarteredbySemiCircles_small.png:pic]] =-- 1. [[chord dividing a triangle into two]] _Dec 22, 2019_ +-- {.miniimage} [[ChordDividingaTriangleintoTwo_small.png:pic]] =-- 1. [[two pentagons]] _Dec 20, 2019_ +-- {.miniimage} [[TwoPentagons_small.png:pic]] =-- 1. [[two circles in a rectangle]] _Dec 17, 2019_ +-- {.miniimage} [[TwoCirclesinaRectangle_small.png:pic]] =-- 1. [[angle formed by three rectangles]] _Dec 14, 2019_ +-- {.miniimage} [[AngleFormedbyThreeRectangles_small.png:pic]] =-- 1. [[two rectangles in a square]] _Dec 12, 2019_ +-- {.miniimage} [[TwoRectanglesinaSquare_small.png:pic]] =-- 1. [[five semi-circles around a rectangle]] _Dec 11, 2019_ +-- {.miniimage} [[FiveSemiCirclesAroundaRectangle_small.png:pic]] =-- 1. [[three equal angles in a rectangle]] _Dec 7, 2019_ +-- {.miniimage} [[ThreeEqualAnglesinaRectangle_small.png:pic]] =-- 1. [[a square, a circle, and a rectangle]] _Dec 4, 2019_ +-- {.miniimage} [[ASquareACircleandaRectangle_small.png:pic]] =-- 1. [[three right-angled triangles]] _Nov 30, 2019_ +-- {.miniimage} [[ThreeRightAngledTriangles_small.png:pic]] =-- 1. [[two rectangles overlapping a square]] _Nov 24, 2019_ +-- {.miniimage} [[TwoRectanglesOverlappingaSquare_small.png:pic]] =-- 1. [[areas in a crossed trapezium]] _Nov 20, 2019_ +-- {.miniimage} [[AreasinaCrossedTrapezium_small.png:pic]] =-- 1. [[seven hexagons]] _Nov 18, 2019_ +-- {.miniimage} [[SevenHexagons_small.png:pic]] =-- 1. [[a pattern of squares]] _Nov 17, 2019_ +-- {.miniimage} [[APatternofSquares_small.png:pic]] =-- 1. [[three hexagons and a rectangle]] _Nov 15, 2019_ +-- {.miniimage} [[ThreeHexagonsandaRectangle_small.png:pic]] =-- 1. [[six circles inside a circle inside a square]] _Nov 9, 2019_ +-- {.miniimage} [[SixCirclesInsideaCircleInsideaSquare_small.png:pic]] =-- 1. [[stacked squares inside two squares]] _Nov 7, 2019_ +-- {.miniimage} [[StackedSquaresInsideTwoSquares_small.png:pic]] =-- 1. [[three squares inside a triangle]] _Oct 30, 2019_ +-- {.miniimage} [[ThreeSquaresInsideaTriangle_small.png:pic]] =-- 1. [[three congruent triangles]] _Oct 29, 2019_ +-- {.miniimage} [[ThreeCongruentTriangles_small.png:pic]] =-- 1. [[two semi-circles inside a semi-circle ii]] _Oct 27, 2019_ +-- {.miniimage} [[TwoSemiCirclesInsideaSemiCircleII_small.png:pic]] =-- 1. [[multiple semi-circles]] _Oct 25, 2019_ +-- {.miniimage} [[MultipleSemiCircles_small.png:pic]] =-- 1. [[two congruent rectangles in a square]] _Oct 24, 2019_ +-- {.miniimage} [[TwoCongruentRectanglesinaSquare_small.png:pic]] =-- 1. [[three circles in a rectangle ii]] _Oct 19, 2019_ +-- {.miniimage} [[ThreeCirclesinaRectangleII_small.png:pic]] =-- 1. [[overlapping triangles in a circle]] _Oct 13, 2019_ +-- {.miniimage} [[OverlappingTrianglesinaCircle_small.png:pic]] =-- 1. [[diagonal in a square]] _Oct 11, 2019_ +-- {.miniimage} [[DiagonalinaSquare_small.png:pic]] =-- 1. [[seven circles]] _Oct 5, 2019_ +-- {.miniimage} [[SevenCircles_small.png:pic]] =-- 1. [[angles in two hexagons]] _Sep 28, 2019_ +-- {.miniimage} [[AnglesinTwoHexagons_small.png:pic]] =-- 1. [[three overlapping squares]] _Sep 19, 2019_ +-- {.miniimage} [[ThreeOverlappingSquares_small.png:pic]] =-- 1. [[four squares and a semi-circle]] _Sep 7, 2019_ +-- {.miniimage} [[FourSquaresandaSemiCircle_small.png:pic]] =-- 1. [[two overlapping hexagons and a rectangle]] _Sep 2, 2019_ +-- {.miniimage} [[TwoOverlappingHexagonsandaRectangle_small.png:pic]] =-- 1. [[two rectangles of equal area]] _Aug 31, 2019_ +-- {.miniimage} [[TwoRectanglesofEqualArea_small.png:pic]] =-- 1. [[three squares overlapping a semi-circle]] _Aug 29, 2019_ +-- {.miniimage} [[ThreeSquaresOverlappingaSemiCircle_small.png:pic]] =-- 1. [[two hexagons and a square]] _Aug 28, 2019_ +-- {.miniimage} [[TwoHexagonsandaSquare_small.png:pic]] =-- 1. [[four hexagons]] _Aug 26, 2019_ +-- {.miniimage} [[FourHexagons_small.png:pic]] =-- 1. [[two squares in a semi-circle]] _Aug 24, 2019_ +-- {.miniimage} [[TwoSquaresinaSemiCircle_small.png:pic]] =-- 1. [[three squares in a semi-circle]] _Aug 23, 2019_ +-- {.miniimage} [[ThreeSquaresinaSemiCircle_small.png:pic]] =-- 1. [[three congruent squares overlapping a square]] _Aug 22, 2019_ +-- {.miniimage} [[ThreeCongruentSquaresOverlappingaSquare_small.png:pic]] =-- 1. [[three triangles in a square]] _Aug 20, 2019_ +-- {.miniimage} [[ThreeTrianglesinaSquare_small.png:pic]] =-- 1. [[trisected hexagon]] _Aug 19, 2019_ +-- {.miniimage} [[TrisectedHexagon_small.png:pic]] =-- 1. [[two congruent quadrilaterals and a rectangle]] _Aug 16, 2019_ +-- {.miniimage} [[TwoCongruentQuadrilateralsandaRectangle_small.png:pic]] =-- 1. [[semi-circle in a square ii]] _Aug 14, 2019_ +-- {.miniimage} [[SemiCircleinaSquareII_small.png:pic]] =-- 1. [[circle in pentagon in semi-circle]] _Aug 11, 2019_ +-- {.miniimage} [[CircleInPentagoninSemiCircle_small.png:pic]] =-- 1. [[rectangles in concentric rings]] _Aug 9, 2019_ +-- {.miniimage} [[RectanglesinConcentricRings_small.png:pic]] =-- 1. [[three regular hexagons ii]] _Aug 8, 2019_ +-- {.miniimage} [[ThreeRegularHexagonsII_small.png:pic]] =-- 1. [[one rectangle inside another with semi-circles]] _Aug 5, 2019_ +-- {.miniimage} [[OneRectangleInsideAnotherWithSemiCircles_small.png:pic]] =-- 1. [[two rectangles and a semi-circle]] _Aug 3, 2019_ +-- {.miniimage} [[TwoRectanglesandaSemiCircle_small.png:pic]] =-- 1. [[three equilateral triangles and a semi-circle]] _Aug 2, 2019_ +-- {.miniimage} [[ThreeEquilateralTrianglesandaSemiCircle_small.png:pic]] =-- 1. [[three circles in a semi-circle]] _Aug 1, 2019_ +-- {.miniimage} [[ThreeCirclesinaSemiCircle_small.png:pic]] =-- 1. [[upside-down semi-circles in a semi-circle]] _Jul 30, 2019_ +-- {.miniimage} [[UpsideDownSemiCirclesinaSemiCircle_small.png:pic]] =-- 1. [[stacked triangles]] _Jul 29, 2019_ +-- {.miniimage} [[StackedTriangles_small.png:pic]] =-- 1. [[triangles in a dodecagon]] _Jul 27, 2019_ +-- {.miniimage} [[TrianglesinaDodecagon_small.png:pic]] =-- 1. [[angle formed by two squares ii]] _Jul 26, 2019_ +-- {.miniimage} [[AngleFormedbyTwoSquaresII_small.png:pic]] =-- 1. [[three parallel semi-circles]] _Jul 24, 2019_ +-- {.miniimage} [[ThreeParallelSemiCircles_small.png:pic]] =-- 1. [[semi-circle in a right-angled triangle]] _Jul 23, 2019_ +-- {.miniimage} [[SemiCircleinaRightAngledTriangle_small.png:pic]] =-- 1. [[three congruent squares in a rectangle]] _Jul 22, 2019_ +-- {.miniimage} [[ThreeCongruentSquaresinaRectangle_small.png:pic]] =-- 1. [[three hexagons in a trapezium]] _Jul 20, 2019_ +-- {.miniimage} [[ThreeHexagonsinaTrapezium_small.png:pic]] =-- 1. [[regular hexagon and rectangle]] _Jul 12, 2019_ +-- {.miniimage} [[RegularHexagonandRectangle_small.png:pic]] =-- 1. [[stack of congruent rectangles]] _Jun 28, 2019_ +-- {.miniimage} [[StackofCongruentRectangles_small.png:pic]] =-- 1. [[angles in a circle]] _Jun 27, 2019_ +-- {.miniimage} [[AnglesinaCircle_small.png:pic]] =-- 1. [[striped dodecagon]] _Jun 24, 2019_ +-- {.miniimage} [[StripedDodecagon_small.png:pic]] =-- 1. [[two squares overlapping a third square]] _Jun 15, 2019_ +-- {.miniimage} [[TwoSquaresOverlappingaThirdSquare_small.png:pic]] =-- 1. [[three squares and a semi-circle]] _Jun 7, 2019_ +-- {.miniimage} [[ThreeSquaresandaSemiCircle_small.png:pic]] =-- 1. [[three congruent rectangles]] _Jun 4, 2019_ +-- {.miniimage} [[ThreeCongruentRectangles_small.png:pic]] =-- 1. [[rectangle, circle, and triangle]] _Jun 1, 2019_ +-- {.miniimage} [[RectangleCircleandTriangle_small.png:pic]] =-- 1. [[two regular hexagons]] _May 30, 2019_ +-- {.miniimage} [[TwoRegularHexagons_small.png:pic]] =-- 1. [[angle in a circle and semi-circle]] _May 28, 2019_ +-- {.miniimage} [[AngleinaCircleandSemiCircle_small.png:pic]] =-- 1. [[circle and two squares]] _May 26, 2019_ +-- {.miniimage} [[CircleandTwoSquares_small.png:pic]] =-- 1. [[divided hexagon]] _May 25, 2019_ +-- {.miniimage} [[DividedHexagon_small.png:pic]] =-- 1. [[two overlapping squares]] _May 20, 2019_ +-- {.miniimage} [[TwoOverlappingSquares_small.png:pic]] =-- 1. [[two squares in a triangle]] _May 19, 2019_ +-- {.miniimage} [[TwoSquaresinaTriangle_small.png:pic]] =-- 1. [[a semi-circle and quarter circle in a square]] _May 17, 2019_ +-- {.miniimage} [[ASemiCircleandQuarterCircleinaSquare_small.png:pic]] =-- 1. [[overlapping triangle and hexagon]] _May 14, 2019_ +-- {.miniimage} [[OverlappingTriangleandHexagon_small.png:pic]] =-- 1. [[overlapping triangle and rectangle]] _May 10, 2019_ +-- {.miniimage} [[OverlappingTriangleandRectangle_small.png:pic]] =-- 1. [[divided hexagon ii]] _May 8, 2019_ +-- {.miniimage} [[DividedHexagonII_small.png:pic]] =-- 1. [[semi-circle between two quarter circles]] _May 6, 2019_ +-- {.miniimage} [[SemiCircleBetweenTwoQuarterCircles_small.png:pic]] =-- 1. [[two squares and two equilateral triangles iii]] _May 5, 2019_ +-- {.miniimage} [[TwoSquaresandTwoEquilateralTrianglesIII_small.png:pic]] =-- 1. [[two squares and two equilateral triangles ii]] _May 5, 2019_ +-- {.miniimage} [[TwoSquaresandTwoEquilateralTrianglesII_small.png:pic]] =-- 1. [[angles in two circles]] _May 3, 2019_ +-- {.miniimage} [[AnglesinTwoCircles_small.png:pic]] =-- 1. [[square with midpoints]] _May 1, 2019_ +-- {.miniimage} [[SquarewithMidpoints_small.png:pic]] =-- 1. [[angle formed by two squares]] _Apr 28, 2019_ +-- {.miniimage} [[AngleFormedbyTwoSquares_small.png:pic]] =-- 1. [[two circles inside two polygons inside a circle]] _Apr 26, 2019_ +-- {.miniimage} [[TwoCirclesInsideTwoPolygonsInsideaCircle_small.png:pic]] =-- 1. [[quartered hexagon]] _Apr 24, 2019_ +-- {.miniimage} [[QuarteredHexagon_small.png:pic]] =-- 1. [[two semi-circles in a square]] _Apr 22, 2019_ +-- {.miniimage} [[TwoSemiCirclesinaSquare_small.png:pic]] =-- 1. [[three semi-circles around a triangle]] _Apr 20, 2019_ +-- {.miniimage} [[ThreeSemiCirclesAroundaTriangle_small.png:pic]] =-- 1. [[two overlapping squares ii]] _Apr 18, 2019_ +-- {.miniimage} [[TwoOverlappingSquaresII_small.png:pic]] =-- 1. [[two rectangles with diagonals]] _Apr 17, 2019_ +-- {.miniimage} [[TwoRectangleswithDiagonals_small.png:pic]] =-- 1. [[two semi-circles and a rectangle]] _Apr 16, 2019_ +-- {.miniimage} [[TwoSemiCirclesandaRectangle_small.png:pic]] =-- 1. [[semi-circle on a hexagon]] _Apr 14, 2019_ +-- {.miniimage} [[SemiCircleonaHexagon_small.png:pic]] =-- 1. [[divided square]] _Apr 12, 2019_ +-- {.miniimage} [[DividedSquare_small.png:pic]] =-- 1. [[three adjacent triangles]] _Apr 10, 2019_ +-- {.miniimage} [[ThreeAdjacentTriangles_small.png:pic]] =-- 1. [[triangle and circle inside square]] _Apr 7, 2019_ +-- {.miniimage} [[TriangleandCircleInsideSquare_small.png:pic]] =-- 1. [[two squares on a triangle]] _Apr 4, 2019_ +-- {.miniimage} [[TwoSquaresonaTriangle_small.png:pic]] =-- 1. [[square, rectangle, and two semi-circles]] _Apr 3, 2019_ +-- {.miniimage} [[SquareRectangleandTwoSemiCircles_small.png:pic]] =-- 1. [[three triangles and a rectangle inside a circle]] _Mar 30, 2019_ +-- {.miniimage} [[ThreeTrianglesandaRectangleInsideaCircle_small.png:pic]] =-- 1. [[triangle inside a square]] _Mar 26, 2019_ +-- {.miniimage} [[TriangleInsideaSquare_small.png:pic]] =-- 1. [[triangle inside circle and triangle]] _Mar 20, 2019_ +-- {.miniimage} [[TriangleInsideCircleandTriangle_small.png:pic]] =-- 1. [[circle in triangle in square]] _Mar 17, 2019_ +-- {.miniimage} [[CircleinTriangleinSquare_small.png:pic]] =-- 1. [[quarter circles in a square in a circle]] _Mar 16, 2019_ +-- {.miniimage} [[QuarterCirclesinaSquareinaCircle_small.png:pic]] =-- 1. [[triangle overlapping a hexagon]] _Mar 13, 2019_ +-- {.miniimage} [[TriangleOverlappingaHexagon_small.png:pic]] =-- 1. [[two circles in a triangle]] _Mar 10, 2019_ +-- {.miniimage} [[TwoCirclesinaTriangle_small.png:pic]] =-- 1. [[inverse star in a rectangle]] _Mar 7, 2019_ +-- {.miniimage} [[InverseStarinaRectangle_small.png:pic]] =-- 1. [[three overlapping circles]] _Mar 3, 2019_ +-- {.miniimage} [[ThreeOverlappingCircles_small.png:pic]] =-- 1. [[three tilted rectangles]] _Mar 1, 2019_ +-- {.miniimage} [[ThreeTiltedRectangles_small.png:pic]] =-- 1. [[overlapping hexagons]] _Feb 26, 2019_ +-- {.miniimage} [[OverlappingHexagons_small.png:pic]] =-- 1. [[square overlapping a quarter circle]] _Feb 24, 2019_ +-- {.miniimage} [[SquareOverlappingaQuarterCircle_small.png:pic]] =-- 1. [[two hexagons in a rectangle]] _Feb 23, 2019_ +-- {.miniimage} [[TwoHexagonsinaRectangle_small.png:pic]] =-- 1. [[semi-circle in a circle]] _Feb 22, 2019_ +-- {.miniimage} [[SemiCircleinaCircle_small.png:pic]] =-- 1. [[two triangles overlapping a rectangle]] _Feb 21, 2019_ +-- {.miniimage} [[TwoTrianglesOverlappingaRectangle_small.png:pic]] =-- 1. [[square on an octagon]] _Feb 19, 2019_ +-- {.miniimage} [[SquareonanOctagon_small.png:pic]] =-- 1. [[circle and semi-circle in triangle]] _Feb 18, 2019_ +-- {.miniimage} [[CircleandSemiCircleinTriangle_small.png:pic]] =-- 1. [[overlapping triangles]] _Feb 16, 2019_ +-- {.miniimage} [[OverlappingTriangles_small.png:pic]] =-- 1. [[tilted rectangles]] _Feb 13, 2019_ +-- {.miniimage} [[TiltedRectangles_small.png:pic]] =-- 1. [[triangle in semi-circle with square]] _Feb 11, 2019_ +-- {.miniimage} [[TriangleinSemiCirclewithSquare_small.png:pic]] =-- 1. [[circles in overlapping triangles]] _Feb 7, 2019_ +-- {.miniimage} [[CirclesinOverlappingTriangles_small.png:pic]] =-- 1. [[tilted triangles]] _Feb 2, 2019_ +-- {.miniimage} [[TiltedTriangles_small.png:pic]] =-- 1. [[two quarter circles in a square]] _Jan 28, 2019_ +-- {.miniimage} [[TwoQuarterCirclesinaSquare_small.png:pic]] =-- 1. [[two squares and a rectangle in an octagon]] _Jan 26, 2019_ +-- {.miniimage} [[TwoSquaresandaRectangleinanOctagon_small.png:pic]] =-- 1. [[square overlapping a circle]] _Jan 25, 2019_ +-- {.miniimage} [[SquareOverlappingaCircle_small.png:pic]] =-- 1. [[six semi-circles in a circle]] _Jan 21, 2019_ +-- {.miniimage} [[SixSemiCirclesinaCircle_small.png:pic]] =-- 1. [[rectangle on a hexagon]] _Jan 19, 2019_ +-- {.miniimage} [[RectangleonaHexagon_small.png:pic]] =-- 1. [[two squares on a circle]] _Jan 16, 2019_ +-- {.miniimage} [[TwoSquaresonaCircle_small.png:pic]] =-- 1. [[pentagon with two semi-circles]] _Jan 14, 2019_ +-- {.miniimage} [[PentagonwithtwoSemiCircles_small.png:pic]] =-- 1. [[striped hexagon]] _Jan 13, 2019_ +-- {.miniimage} [[StripedHexagon_small.png:pic]] =-- 1. [[circle in a hexagon in a semi-circle]] _Jan 11, 2019_ +-- {.miniimage} [[CircleinaHexagoninaSemiCircle_small.png:pic]] =-- 1. [[overlapping rectangle and semi-circle]] _Jan 5, 2019_ +-- {.miniimage} [[OverlappingRectangleandSemiCircle_small.png:pic]] =--