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If the radius of a circle is 3 ½ inches, what is the circumference? Round to the nearest whole number 38.465 in 7 in 10.99 in 22 in

If the radius of a circle is 3 ½ inches, what is the circumference? Round to the nearest whole number 38.465 in 7 in 10.99 in 22 in
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1 vote
If the radius of a circle is 3 ½ inches, what is the circumference? Round to the nearest whole number

38.465 in


7 in


10.99 in


22 in

User Pilchard
by
7.7k points

1 Answer

1 vote
The circumference formula is C=pi*d
If the radius is 3 1/2, then the diameter must be 7
C=pi*7
So the circumference equals 22 in

Hope this helps
User Oleg Dats
by
7.7k points
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