What is the sum of the interior angles of the polygon pictured below?

Question

asked Jan 7, 2022 121k views

2 Answers

Ziu · Answer 1 · 2022-01-09T17:38:31+0000

Answer: 3420

Step-by-step explanation: To find the sum of interior angles of a polygon, multiply the number of triangles in the polygon by 180°.

Therefore the formula is (n-2)×180, n being the number of sides. Therefore it's (21-2)×180 which gives you 3420.

Mital Joshi · Answer 2 · 2022-01-11T23:06:46+0000

3420°

Step-by-step explanation:

the equation of the sum of interior angles are (n-2)x180

polygon above has 21 sides so you sub n as 21 and plug the equation in the calculator