Question

The sum of all the interior angles of a polygon is four times the sum of its exterior angles. Find the number of sides in the polygon. Also, find the measure of each exterior angles and each interior angle

Answer 1

Answer:

The sum of the interior angle=4 times the sum of the exterior angles. Therefore the sum of the interior angles = 4 × 360° =1440°. Thus the number of sides in the polygon is 10