This theorem dictates that vertically ... two pairs of equal angle measures on right-angle shapes with the same relative position. This angle bisector between two arms at 90 degrees (right angle ...

In the diagram below, AB is the chord of a circle with centre O. OM is perpendicular to AB (meet at a right angle). Look at triangles OAM and OBM. The hypotenuses (OA and OB) are the same ...

Loci can be used to accurately construct lines and shapes. Bearings are three figure angles measured clockwise ... Pythagoras' theorem - Edexcel Pythagoras’ theorem can be used to calculate ...

Two congruent angles are simply pairs of angles with equal measures. You can find congruent angles examples in hundreds of everyday objects.