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Iteru [2.4K]
3 years ago
10

What is the circumference of a circle with a diameter 9cm

Mathematics
2 answers:
xz_007 [3.2K]3 years ago
5 0
The circumference follows the formula
C= 2 (pi)R
R is the radius which is half the diameter when we put this into the equation we get
C = 2 (pi)(4.5)
C=28.274334
telo118 [61]3 years ago
3 0
Circumference is basically pi x diameter or pi x 2(radius)
in this situation it would be easier to multiple pi by 9 . 
this would tell you what the circumference is .
pi x 9 = <span>28.2743338823

hope this helps you</span>
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