Answer:
21
Step-by-step explanation:
simply
<em>the square represents 90 degrees and 90 - 61 is 21</em>
x = 32
x + 10 = 42, then you subtract 10 from both sides to get 32
34 m²
12
if h=5
then <u>h+7</u> = <u>5+7</u> = <u>12</u>