Y10 Foundation: Topic 20: Angle properties of polygons


    • Calculate and use the sums of the interior angles of convex polygons of sides 3, 4, 5, 6, 8 and 10
    • Know, or work out, the relationship between the number of sides of a polygon and the sum of its interior angles
    • Know that the sum of the exterior angles of any polygon is 360°
    • Find the size of each exterior/interior angle of a regular polygon

Prior Knowledge:

    • Geometry

Key Vocabulary:

  • Copy and paste here.

Differentiation & Extension:

    • Harder problems involving multi-step calculations

Using & Applying ideas:

  • Collaborate here.

  • Generally diagrams on examinations papers are not accurately drawn

Teaching & Learning Resources:

3D Shapes Resources