Category: geometry



  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 degrees
  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. Cube
  15. Cube surface area and net
  16. Decagons - polygons with 10 sides
  17. Dodecagons - polygons with 12 sides
  18. Geometry
  19. Geometry basic rules
  20. Hendecagons - polygons with 11 sides
  21. Heptagons - polygons with 7 sides
  22. Hexagons - polygons with 6 sides
  23. Interior and exterior angles of a polygon
  24. Line symmetry
  25. Loci
  26. Locus of points a fixed distance from a given line
  27. Locus of points a fixed distance from a given point
  28. Locus of points an equal distance between 2 lines
  29. Locus of points an equal distance between 2 points
  30. More quadrilaterals
  31. Nonagons - polygons with 9 sides
  32. Octagons - polygons with 8 sides
  33. Opposite angles in a cyclic quadrilateral add up to 180°
  34. Other types of polygon
  35. Parallel lines
  36. Parts of a circle
  37. Pentagons - polygons with 5 sides
  38. Perpendicular bisector of a chord
  39. Polygons
  40. Quadrilateral family tree
  41. Quadrilaterals
  42. Regular polygons
  43. Regular tessellations
  44. Rotational symmetry
  45. Similar shapes
  46. Similar triangles
  47. Similar triangles proof
  48. Star polygons
  49. Tangent and radius of a circle meet at 90°
  50. Tessellations and symmetry
  51. Transformations
  52. Translation
  53. Triangles
  54. Two radii form an isosceles triangle
  55. Two tangents from a point have equal length
  56. n-gons - polygons with any number of sides


Join the GraphicMaths Newletter

Sign up using this form to receive an email when new content is added:

Popular tags

adder adjacency matrix alu and gate angle area argand diagram binary maths cartesian equation chain rule chord circle cofactor combinations complex modulus complex polygon complex power complex root cosh cosine cosine rule cpu cube decagon demorgans law derivative determinant diagonal directrix dodecagon eigenvalue eigenvector ellipse equilateral triangle euler eulers formula exponent exponential exterior angle first principles flip-flop focus gabriels horn gradient graph hendecagon heptagon hexagon horizontal hyperbola hyperbolic function hyperbolic functions infinity integration by parts integration by substitution interior angle inverse hyperbolic function inverse matrix irrational irregular polygon isosceles trapezium isosceles triangle kite koch curve l system line integral locus maclaurin series major axis matrix matrix algebra mean minor axis nand gate newton raphson method nonagon nor gate normal normal distribution not gate octagon or gate parabola parallelogram parametric equation pentagon perimeter permutations polar coordinates polynomial power probability probability distribution product rule proof pythagoras proof quadrilateral radians radius rectangle regular polygon rhombus root sech segment set set-reset flip-flop sine sine rule sinh sloping lines solving equations solving triangles square standard curves standard deviation star polygon statistics straight line graphs surface of revolution symmetry tangent tanh transformation transformations trapezium triangle turtle graphics variance vertical volume volume of revolution xnor gate xor gate