a circle has a diameter of 8.6cm calculate the circumstances of a circle
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Step-by-step explanation:
Given : d = 8.6 cm
Circumference = 2×(pi)×r
= (Pi)×(2r)
= (3 14)× d
= (3.14)×8.6
= 3.14 × 8.6
= 27.004 cm
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