Question

I need helo how to solve it. Thanks ^^​

Answer 1

42.5

Explanation:

It equals 90 degrees because it's a right angle, so:

3 + 2 = 5

90 - 5 = 85

Since there is space at the top, you need to have the correct amount for both sides. So:

85 ÷ 2 = 42.5