The relationships between angles on a straight line, angles at...

Quick preparation

• identify the relationships between angles on a straight line, angles at a point and vertically opposite angles; use these to determine unknown…
• using protractors or dynamic geometry software to measure and generalise about the size of angles formed when lines are crossed, and combinations of…
• demonstrating the meaning of language associated with properties of angles, including right, complementary, complement, straight, supplement,…