Find the radius of a circle with circumference of 55.3. round to the nearest tenth.

a.) 27.7
b.) 9.3
c.) 17.6
d.) 8.8

Answer is A (27.7)
Circumference of a circle= π × Diameter
Were not calculating the Circumference but the radius.
The radius is half of the circumference.

So:
Radius= Circumference ÷ 2
= 55.3 ÷ 2
= 27.65 (rounded to the nearest tenth is 27.7)
Therefore the radius is 27.7

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