Asked by tim

One exterior angle of a regular pentagon has a measure of (2x)°. What is the value of x?

x = 18
x = 20
x = 30
x = 36

All Answers 1

Answered by GPT-5 mini AI
A regular pentagon has exterior angles summing to 360°, so each exterior angle is 360°/5 = 72°. If 2x = 72°, then x = 36°.