Question

each interior angle of a regular polygon is 20 more thean three times the measure of exterior angle. find the number of side of the polygon?

Answer 1

ext angle = x so

int angle is 3x + 20

They add to 180

Answer 2

what plss tell me how?

Answer 3

The sum of interior angle and exterior angle is 180 degrees.

Do u know this?

Answer 4

i find the number of side of the polygon...

Answer 5

A regular polygon has all interior angles equal, do you know this?

Answer 6

Do you know that the sum of the exterior angles is 360 degrees?

Answer 7

ahhhhh.. ok.

Answer 8

:-)