Answer:
37.85 (Assuming you are supposed to estimate pi)
Explanation:
First, add the easy stuff:
10+10+5+5=30
Then, find the circumference of the circle:
c = 2 π r
c = 2(5)π
c = 10π
Divide by 4:
10π/4 ≅ 7.85
7.85 + 30 = 37.85
perimeter = 38 units.
30 + 7.85
= 37.85
≈ 38 units
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