Question

How many sides does a regular polygon have if each of its interior angles is 140 ?​

Answer 1

Answer:

Step-by-step explanation:

9 sides

Since the interior angle 140 degree ,the supplementary of this is the exterior angle and the equal to 40 degree.

Hence the number of sides is 360/40=9

n=9

Hence proved!!

May this will help you

Answer 2

Answer:

9 sides

Step-by-step explanation:

360/40=9

hence there are 9 sides