大象传媒

Finding angles between linesFinding angles in a full turn

Complementary angles form a right angle. Supplementary angles form a straight line. Parallel lines in shapes can form corresponding and alternate angles. You can use these properties to find missing angles.

Part of MathsAngle, symmetry and transformation

Finding angles in a full turn

A full turn or complete revolution is exactly 360掳.

Full turn (360掳) diagram

You can use your knowledge that angles in a full turn add up to 360掳 to find a missing angle.

Question

Find the size of angle z

360掳 angle sum diagram