Interior angles resources

Students build a rectangular prism and identify some of the interior right-angled triangles.

Students build a triangular prism and identify some of the interior right-angled triangles.

Students identify some interior right angled triangles in a 2-dimensional drawing of a cube.

Students use the angle-in-a-semicircle property, and the sum of the angles in a triangle to find unknown angles.

Students use their knowledge of the sum of the interior angles of polygons to work out unknown angles for a variety of 2-dimensional shapes.

Students use their knowledge of the interior angles of regular polygons, isosceles triangles, and parallelograms to work out unknown angles for a variety of 2-dimensional shapes.

Students use their knowledge of the angle between a tangent and radius property and the sum of the angles in a quadrilateral to work out unknown angles in a diagram and explain their workings.

Using a diagram of a regular hexagon, students calculate its interior and exterior angles.

Students calculate the interior and exterior angles of a regular octagon and explain their calculations.

Students use their knowledge of angle properties to identify missing angles identified on a street map.