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Estimate the circumference of a circle with a radius of 9cm

Estimate the circumference of a circle with a radius of 9cm
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4 votes
Estimate the circumference of a circle with a radius of 9cm

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User Ericksonla
by
8.0k points

1 Answer

1 vote
Circumference = 2 x 3.142 x r
9 = 6.284 x r
9 ÷ 6.284 = r
r = 1.43 cm
answered
User Zubin
by
7.9k points
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