Question

How do I find the measure of angle E? Angle a = 100, angle b= 105, angle c=130, and angle d = 90. It is a polygon.

Answer 1

what sort of polygon is it?

Answer 2

looks like a baseball plate inside a square

Answer 3

okay. so sum of internal angles for a polygon with five sides add up to 540.

Answer 4

ok thanks...