Volume is the space contained within a 3D shape. Surface area is the sum of the area of ... Circle theorems are used in geometric proofs and to calculate angles. Transformations - Edexcel ...

Circle geometry Arc length is a fraction of circumference. Area of a sector ... how to work out the volume of a cylinder, sphere, hemisphere, cone, prism, and composite shapes.

Mike Bunnell’s DC High School geometry students created dilations of a rectangle and suspended them from the ceiling to ...