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Answer:
3) D = 11.99
4) A = 113.09
5) C = 7.53
6) C = 53.40
7) A = 113.09
Explanation:
3) D = C ÷ π
D = (37.68) ÷ π
D = 11.9
4) R = D ÷ 2
R = (12) ÷ 2 = 6
A = πr^2
A = π 6^2
A = 113.09
5) C = 2πr
C = 2π (1.2)
C = 7.53
6) R = D ÷ 2
R = (17) ÷ 2
R = 8.5
C = 2πr
C = 2π (8.5)
C = 53.40
7) A = πr^2
A = π 6^ 2
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