Category: gcse



  1. 3D geometry
  2. Alternate segment theorem
  3. Angle at the centre of a circle is twice the angle at the circumference
  4. Angle in a semicircle is 90°
  5. Angles in the same segment of a circle are equal
  6. Area and circumference of circles
  7. Area and perimeter
  8. Area and perimeter of quadrilaterals
  9. Area and perimeter of triangles
  10. Circle geometry
  11. Congruent and similar shapes
  12. Congruent shapes
  13. Congruent triangles
  14. Cosine rule
  15. Cube
  16. Cube surface area and net
  17. Decagons - polygons with 10 sides
  18. Distance between two points on a graph
  19. Dodecagons - polygons with 12 sides
  20. Einstein's proof of Pythagoras' theorem
  21. GCSE
  22. GCSE graphs
  23. GCSE measures
  24. Geometry
  25. Geometry basic rules
  26. Gradient of a line
  27. Graphs of sloping lines through the origin
  28. Hendecagons - polygons with 11 sides
  29. Heptagons - polygons with 7 sides
  30. Hexagons - polygons with 6 sides
  31. Horizontal, vertical and diagonal straight line graphs
  32. Interior and exterior angles of a polygon
  33. Line symmetry
  34. Loci
  35. Locus of points a fixed distance from a given line
  36. Locus of points a fixed distance from a given point
  37. Locus of points an equal distance between 2 lines
  38. Locus of points an equal distance between 2 points
  39. More quadrilaterals
  40. Nonagons - polygons with 9 sides
  41. Octagons - polygons with 8 sides
  42. Opposite angles in a cyclic quadrilateral add up to 180°
  43. Other types of polygon
  44. Parallel lines
  45. Parts of a circle
  46. Pentagons - polygons with 5 sides
  47. Perpendicular bisector of chord theorem
  48. Polygons
  49. Pythagoras
  50. Pythagoras' theorem
  51. Pythagoras' theorem proof
  52. Pythagorean triples
  53. Quadrilateral family tree
  54. Quadrilaterals
  55. Regular polygons
  56. Regular tessellations
  57. Rotational symmetry
  58. Similar shapes
  59. Similar triangles
  60. Similar triangles proof
  61. Sine rule
  62. Star polygons
  63. Straight line graphs
  64. Tangent and radius of a circle meet at 90°
  65. Tessellations and symmetry
  66. Transformations
  67. Translation
  68. Triangles
  69. Trigonometry
  70. Trigonometry and Pythagoras
  71. Two radii form an isosceles triangle
  72. Two tangents from a point have equal length
  73. Why are the trig functions called sine, cosine and tangent?
  74. n-gons - polygons with any number of sides


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