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If a circle instead has a circumference of 14 cm, what is its exact radius?Give your answer in terms of pi .

Solution

If a circle instead has a circumference of 14 cm, what is its exact radius?Give your answer in terms of pi .

Solution

r a d i u s : \frac{7}{π} c m

+1

Decimal Notation

2.22816 \dots

Solution steps

Given:

c i rc u m f ere n ce : 14 c m

Radius given

C i rc u m f ere n ce = 14 : r = \frac{7}{π}

r a d i u s : \frac{7}{π} c m

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