Question

In the figure, two angles of the pentagon are 90°. a) Find x​

Answer 1

Answer:

8=n

Step-by-step explanation:

Answer: This polygon has 8 sides.

If polygon has n sides, sum of all its interior angles is 180(n-2).

90+90+150*(n-2)=180*(n-2)

180 = 30*(n-2).

n =8.