More Geometry Summary

More Geometry

Summary

the angle properties of parallel lines include corresponding, alternate and co-interior angles.

the exterior angles of any polygon add up to 360°.

compass bearings such as sw and ne and true bearings such as 090°.

Key Skills
  • work out a true or compass bearing from a diagram.
  • change a compass bearing to a true bearing.
  • change a true bearing to a compass bearing.
  • calculate the sizes of interior and exterior angles of common regular polygons.

Vocabulary

 compass bearing, true bearing, polygon, regular polygon, exterior angle, interior angle, equilateral triangle, square, pentagon,hexagon, octagon, decagon.