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A circle has a diameter of 4 in. What is the Radius and Circumference

Sagot :

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Answer:

see below

Step-by-step explanation:

The radius is 1/2 of the diameter

r = 1/2 d

r = 1/2(4) = 2 inches

The circumference is given by

C = 2 * pi * r

C = 2 * pi * 2

C = 4 pi inches

Using 3.14 as an approximation for pi

C = 12.56 inches

Answer:

C = 12.56 inches

Step-by-step explanation:

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