Answer:
60°
Step-by-step explanation:
First, the figure has 5 sides so we use the formula to find what is the sum of all angles inside of it. 180 (5-2) = 180•3 = 540
then we add all the angles, c+2c+2c+2c+2c=9c
540 = 9c
here we get c=540/9 = 60°
