Answer:39
Step-by-step explanation:
Answer:
9 sides
Step-by-step explanation:
7y + 2y = 180
9y = 180
y =20
so, 2y, the exterior angle is 2 x 20 = 40
Divide 360 by 40 = 9
The answer is no because after each 3 there is one more zero added
to be repeating the number of zeros would have to stay the same