Angles In Polygons Worksheet. Using the interior exterior angle sum theorems 1 the measure of one exterior angle of a regular polygon is given. 180 n 2 3 180 3 2 3 180 1 3 180 3 60.
Angles of polygons review period. Find the missing angles in each of the polygons. A lesson covering rules for finding interior and exterior angles in polygons.
So exterior angle 180 60 120.
Using the interior exterior angle sum theorems 1 the measure of one exterior angle of a regular polygon is given. Angles are all multiples of 5 so this could be done without a calculator. I really like to use this with the excellent angles in polygons challenge worksheet uploaded by the legendary tristan jones. Students will need to know how to work out the total angle sum in each polygon before they attempt this worksheet.
