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Help me please I need it done
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Help me please I need it done

Help me please I need it done-example-1
User Cui Heng
by
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1 Answer

3 votes

Answer:

see explanation

Explanation:

A

The circumference (C) of a circle is calculated as

C = πd ( d is the diameter ) , then

C = 3.14 × 8 ≈ 25.12 in

B

The circumference (C) of a circle is calculated as

C = 2πr ( r is the radius )

Here C = 94.2 , then

2πr = 94.2 ( divide both sides by 2π )

r =
(94.2)/(2(3.14)) = 15 cm

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