Notes
Catriona Agg's puzzles 2020

Catriona Agg’s Puzzles from 2020

  1. four triangles in a square Dec 31, 2020

    Four Triangles in a Square

  2. zig-zag inside a rectangle Dec 30, 2020

    Zig-zag Inside a Rectangle

  3. five squares across a square Dec 23, 2020

    Five Squares Across a Square

  4. two squares and a semi-circle Dec 13, 2020

    Two Squares and a Semi-Circle

  5. two circles in a square ii Oct 31, 2020

    Two Circles in a Square II

  6. triangles formed from rectangles Oct 29, 2020

    Triangles Formed from Rectangles

  7. three triangles in a circle in a triangle Oct 24, 2020

    Three Triangles in a Circle in a Triangle

  8. two quarter circles in a semi-circle Aug 31, 2020

    Two Quarter Circles in a Semi-Circle

  9. circle inside a triangle Aug 28, 2020

    Circle Inside a Triangle

  10. similar rectangles Aug 26, 2020

    Similar Rectangles

  11. two semi-circles in a circle Aug 21, 2020

    Two Semi-Circles in a Circle

  12. semi-circle and quarter circle in a square Aug 17, 2020

    Semi-Circle and Quarter Circle in a Square

  13. multiple semi-circles in a circle Aug 15, 2020

    Multiple Semi-Circles in a Circle

  14. four squares iii Aug 14, 2020

    Four Squares III

  15. triangle over two rectangles Aug 7, 2020

    Triangle Over Two Rectangles

  16. subdivided decagon Jul 30, 2020

    Subdivided Decagon

  17. two congruent rectangles and a semi-circle Jul 29, 2020

    Two Congruent Rectangles and a Semi-Circle

  18. a rectangle in a square Jul 26, 2020

    A Rectangle in a Square

  19. two half-squares and a circle Jul 25, 2020

    Two Half-Squares and a Circle

  20. three congruent rectangles ii Jul 23, 2020

    Three Congruent Rectangles II

  21. semi-circle in a square in a quarter circle Jul 19, 2020

    Semi-Circle in a Square in a Quarter Circle

  22. two triangles and three concentric semi-circles Jul 18, 2020

    Two Triangles and Three Concentric Semi-Circles

  23. five congruent rectangles Jul 15, 2020

    Five Congruent Rectangles

  24. five rectangles tiling a square Jul 11, 2020

    Five Rectangles Tiling a Square

  25. rectangle overlapping a circle Jul 5, 2020

    Rectangle Overlapping a Circle

  26. swirling semi-circles Jun 14, 2020

    Swirling Semi-Circles

  27. hexagon in a quarter circle May 31, 2020

    Hexagon in a Quarter Circle

  28. six semi-circles inside a hexagon May 30, 2020

    Six Semi-Circles Inside a Hexagon

  29. four quarter circles May 29, 2020

    Four Quarter Circles

  30. two overlapping triangles and a circle May 28, 2020

    Two Overlapping Triangles and a Circle

  31. two squares diagonally inside a rectangle May 26, 2020

    Two Squares Diagonally Inside a Rectangle

  32. two circles and two semi-circles May 25, 2020

    Two Circles and Two Semi-Circles

  33. two tilted squares May 23, 2020

    Two Tilted Squares

  34. a circle and two semi-circles in two hexagons May 14, 2020

    A Circle and Two Semi-Circles in Two Hexagons

  35. four squares overlapping a rectangle May 9, 2020

    Four Squares Overlapping a Rectangle

  36. two semi-circles and a triangle May 8, 2020

    Two Semi-Circles and a Triangle

  37. a square and a hexagon May 5, 2020

    A Square and a Hexagon

  38. five circles in a square May 2, 2020

    Five Circles in a Square

  39. two quarter circles in a rectangle in a semi-circle Apr 30, 2020

    Two Quarter Circles in a Rectangle in a Semi-Circle

  40. four squares ii Apr 28, 2020

    Four Squares II

  41. four squares Apr 26, 2020

    Four Squares

  42. two circles inside an equilateral triangle Apr 25, 2020

    Two Circles Inside an Equilateral Triangle

  43. three congruent rectangles Apr 24, 2020

    Three Congruent Rectangles

  44. four congruent squares inside a larger square Apr 23, 2020

    Four Congruent Squares Inside a Larger Square

  45. two semi-circles and an equilateral triangle Apr 22, 2020

    Two Semi-Circles and an Equilateral Triangle

  46. two quarter circles and a semi-circle Apr 21, 2020

    Two Quarter Circles and a Semi-Circle

  47. three stacked squares Apr 19, 2020

    Three Stacked Squares

  48. two circles in a square Apr 18, 2020

    Two Circles in a Square

  49. three overlapping rectangles ii Apr 17, 2020

    Three Overlapping Rectangles II

  50. semi-circle splitting a triangle Apr 16, 2020

    Semi-Circle Splitting a Triangle

  51. two semi-circles diagonally across a square Apr 15, 2020

    Two Semi-Circles Diagonally Across a Square

  52. two neighbouring rectangles Apr 13, 2020

    Two Neighbouring Rectangles

  53. two overlapping semi-circles Apr 12, 2020

    Two Overlapping Semi-Circles

  54. nested semi-circles Apr 11, 2020

    Nested Semi-Circles

  55. two circles in a triangle Apr 10, 2020

    Two Circles in a Triangle

  56. tangential hexagon and circle Apr 9, 2020

    Tangential Hexagon and Circle

  57. three overlapping rectangles Apr 8, 2020

    Three Overlapping Rectangles

  58. three circles forming a triangle Apr 7, 2020

    Three Circles Forming a Triangle

  59. four squares in a circle Apr 6, 2020

    Four Squares in a Circle

  60. three equal area rectangles Apr 5, 2020

    Three Equal Area Rectangles

  61. six equal area rectangles Apr 4, 2020

    Six Equal Area Rectangles

  62. angle formed by three squares Apr 2, 2020

    Angle Formed by Three Squares

  63. quadrilateral splitting a semi-circle Apr 1, 2020

    Quadrilateral Splitting a Semi-Circle

  64. two regular hexagons Mar 28, 2020

    Two Regular Hexagons

  65. three squares in a circle Mar 21, 2020

    Three Squares in a Circle

  66. two squares and an equilateral triangle Mar 14, 2020

    Two Squares and an Equilateral Triangle

  67. quarter circles in a rectangle in a circle Mar 7, 2020

    Quarter Circles in a Rectangle in a Circle

  68. nested isosceles triangles Mar 5, 2020

    Nested Isosceles Triangles

  69. five circles in a rectangle in a semi-circle Feb 29, 2020

    Five Circles in a Rectangle in a Semi-Circle

  70. two semi-circles inside a rectangle Feb 23, 2020

    Two Semi-Circles Inside a Rectangle

  71. two squares inside an equilateral triangle Feb 22, 2020

    Two Squares Inside an Equilateral Triangle

  72. tilted rectangle in a square Feb 20, 2020

    Tilted Rectangle in a Square

  73. circle in a quarter circle Feb 18, 2020

    Circle in a Quarter Circle

  74. three semi-circles Feb 16, 2020

    Three Semi-Circles

  75. a square and a rectangle overlapping Feb 14, 2020

    A Square and a Rectangle Overlapping

  76. three circles in a hexagon in a circle Feb 10, 2020

    Three Circles in a Hexagon in a Circle

  77. three circles Feb 8, 2020

    Three Circles

  78. three squares in a triangle Feb 4, 2020

    Three Squares in a Triangle

  79. four squares Feb 1, 2020

    Four Squares

  80. arcs in a semi-circle Jan 30, 2020

    Arcs in a Semi-Circle

  81. three isoscelese triangles inside a triangle Jan 23, 2020

    Three Isoscelese Triangles Inside a Triangle

  82. square and rectangle overlapping in a semi-circle Jan 16, 2020

    Square and Rectangle Overlapping in a Semi-Circle

  83. three stacked squares and a fourth square Jan 12, 2020

    Three Stacked Squares and a Fourth Square

  84. parallelogram area Jan 7, 2020

    Parallelogram Area

  85. three squares Jan 4, 2020

    Three Squares

  86. parallelogram in a rectangle Jan 1, 2020

    Parallelogram in a Rectangle