Notes
Catriona Agg's puzzles 2019

Catriona Agg’s Geometry Puzzles from 2019

three circles in a rectangle Dec 31, 2019
two semi-circles inside a semi-circle Dec 29, 2019
two squares Dec 28, 2019
three squares and an equilateral triangle Dec 26, 2019
pentagram in a circle Dec 24, 2019
rectangle quartered by semi-circles Dec 23, 2019
chord dividing a triangle into two Dec 22, 2019
two pentagons Dec 20, 2019
two circles in a rectangle Dec 17, 2019
angle formed by three rectangles Dec 14, 2019
two rectangles in a square Dec 12, 2019
five semi-circles around a rectangle Dec 11, 2019
three equal angles in a rectangle Dec 7, 2019
a square, a circle, and a rectangle Dec 4, 2019
three right-angled triangles Nov 30, 2019
two rectangles overlapping a square Nov 24, 2019
areas in a crossed trapezium Nov 20, 2019
seven hexagons Nov 18, 2019
a pattern of squares Nov 17, 2019
three hexagons and a rectangle Nov 15, 2019
six circles inside a circle inside a square Nov 9, 2019
stacked squares inside two squares Nov 7, 2019
three squares inside a triangle Oct 30, 2019
three congruent triangles Oct 29, 2019
two semi-circles inside a semi-circle ii Oct 27, 2019
multiple semi-circles Oct 25, 2019
two congruent rectangles in a square Oct 24, 2019
three circles in a rectangle ii Oct 19, 2019
overlapping triangles in a circle Oct 13, 2019
diagonal in a square Oct 11, 2019
seven circles Oct 5, 2019
angles in two hexagons Sep 28, 2019
three overlapping squares Sep 19, 2019
four squares and a semi-circle Sep 7, 2019
two overlapping hexagons and a rectangle Sep 2, 2019
two rectangles of equal area Aug 31, 2019
three squares overlapping a semi-circle Aug 29, 2019
two hexagons and a square Aug 28, 2019
four hexagons Aug 26, 2019
two squares in a semi-circle Aug 24, 2019
three squares in a semi-circle Aug 23, 2019
three congruent squares overlapping a square Aug 22, 2019
three triangles in a square Aug 20, 2019
trisected hexagon Aug 19, 2019
two congruent quadrilaterals and a rectangle Aug 16, 2019
semi-circle in a square ii Aug 14, 2019
circle in pentagon in semi-circle Aug 11, 2019
rectangles in concentric rings Aug 9, 2019
three regular hexagons ii Aug 8, 2019
one rectangle inside another with semi-circles Aug 5, 2019
two rectangles and a semi-circle Aug 3, 2019
three equilateral triangles and a semi-circle Aug 2, 2019
three circles in a semi-circle Aug 1, 2019
upside-down semi-circles in a semi-circle Jul 30, 2019
stacked triangles Jul 29, 2019
triangles in a dodecagon Jul 27, 2019
angle formed by two squares ii Jul 26, 2019
three parallel semi-circles Jul 24, 2019
semi-circle in a right-angled triangle Jul 23, 2019
three congruent squares in a rectangle Jul 22, 2019
three hexagons in a trapezium Jul 20, 2019
regular hexagon and rectangle Jul 12, 2019
stack of congruent rectangles Jun 28, 2019
angles in a circle Jun 27, 2019
striped dodecagon Jun 24, 2019
two squares overlapping a third square Jun 15, 2019
three squares and a semi-circle Jun 7, 2019
three congruent rectangles Jun 4, 2019
rectangle, circle, and triangle Jun 1, 2019
two regular hexagons May 30, 2019
angle in a circle and semi-circle May 28, 2019
circle and two squares May 26, 2019
divided hexagon May 25, 2019
two overlapping squares May 20, 2019
two squares in a triangle May 19, 2019
a semi-circle and quarter circle in a square May 17, 2019
overlapping triangle and hexagon May 14, 2019
overlapping triangle and rectangle May 10, 2019
divided hexagon ii May 8, 2019
semi-circle between two quarter circles May 6, 2019
two squares and two equilateral triangles iii May 5, 2019
two squares and two equilateral triangles ii May 5, 2019
angles in two circles May 3, 2019
square with midpoints May 1, 2019
angle formed by two squares Apr 28, 2019
two circles inside two polygons inside a circle Apr 26, 2019
quartered hexagon Apr 24, 2019
two semi-circles in a square Apr 22, 2019
three semi-circles around a triangle Apr 20, 2019
two overlapping squares ii Apr 18, 2019
two rectangles with diagonals Apr 17, 2019
two semi-circles and a rectangle Apr 16, 2019
semi-circle on a hexagon Apr 14, 2019
divided square Apr 12, 2019
three adjacent triangles Apr 10, 2019
triangle and circle inside square Apr 7, 2019
two squares on a triangle Apr 4, 2019
square, rectangle, and two semi-circles Apr 3, 2019
three triangles and a rectangle inside a circle Mar 30, 2019
triangle inside a square Mar 26, 2019
triangle inside circle and triangle Mar 20, 2019
circle in triangle in square Mar 17, 2019
quarter circles in a square in a circle Mar 16, 2019
triangle overlapping a hexagon Mar 13, 2019
two circles in a triangle Mar 10, 2019
inverse star in a rectangle Mar 7, 2019
three overlapping circles Mar 3, 2019
three tilted rectangles Mar 1, 2019
overlapping hexagons Feb 26, 2019
square overlapping a quarter circle Feb 24, 2019
two hexagons in a rectangle Feb 23, 2019
semi-circle in a circle Feb 22, 2019
two triangles overlapping a rectangle Feb 21, 2019
square on an octagon Feb 19, 2019
circle and semi-circle in triangle Feb 18, 2019
overlapping triangles Feb 16, 2019
tilted rectangles Feb 13, 2019
triangle in semi-circle with square Feb 11, 2019
circles in overlapping triangles Feb 7, 2019
tilted triangles Feb 2, 2019
two quarter circles in a square Jan 28, 2019
two squares and a rectangle in an octagon Jan 26, 2019
square overlapping a circle Jan 25, 2019
six semi-circles in a circle Jan 21, 2019
rectangle on a hexagon Jan 19, 2019
two squares on a circle Jan 16, 2019
pentagon with two semi-circles Jan 14, 2019
striped hexagon Jan 13, 2019
circle in a hexagon in a semi-circle Jan 11, 2019
overlapping rectangle and semi-circle Jan 5, 2019

Revised on October 23, 2021 21:59:27 by Andrew Stacey