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Answer:
27.3 or 8.7pi
Explanation:
Circumference = 2×pi×R
To find the circumference, we need to find R which is the radius
Diameter = 8.7 cm
Radius = 1/2 × diameter = 8.7÷2 = 4.35 ccm
So circumference = 2 × pi × 4.35 = 8.7 pi = 27.33185 = 27.3
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