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Find the circumference of a circle with diameter 9mm

Find the circumference of a circle with diameter 9mm
asked 107k views
1 vote
Find the circumference of a circle with diameter 9mm

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User Jane Sales
by
8.3k points

1 Answer

5 votes
C = 2pi *r
r= d/2

C= 2pi *4.5

C= 2*3.1412*4.5

C= 28.27
answered
User Edvard Rejthar
by
8.6k points
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