Answer:
42.5
Step-by-step 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
Answer: 9
Step-by-step explanation: 4.5=.5xZ. 4.5/.5=9=z