Question

FAN AND MEDAL!!!!!!!!!!!!!!!!PLZ HELP
sum of the measures of the interior angles of a convex 20-gon

Answer 1

3600°

3240°

2880°

3960°

Answer 2

the exterior angles add to 360 for any polygon

360 / 20 = 18 degrees per exterior angle

the interior and exterior angles are supplementary, so
180 - 18 = 162 degrees per interior angle

Answer 3

so i multiply 162 by 20 ??

Answer 4

@GracieFerrell

Answer 5

@pandaluvs
@_fluffeh_

Answer 6

Yes HWBUSTER, you multiply 162 by 20 and you'll get 3240 as your answer which is correct.