In a convex polygon, the interior and exterior angles are Blank 1 Question 9 .

According to the Blank 1 Question 23 , we can conclude that the interior and exterior angles at the same vertex will always be Blank 2 Question 23 .

an interior angle is an angle formed by the two consecutive sides of a polygon.

A Blank 1 Question 21 with Blank 2 Question 21 sides has a sum of the interior angles of 1980° and each individual angle is

Exterior angle of a regular polygon is equal to interior angle. Find number of sides in polygon

Find the measure of the unknown interior and exterior angles in the given polygons.1. m∠a =   2. m∠b =