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Find the circumference. Leave your answer in terms of n.48.2.4 cmA. 2.47 cmB.3.67 cmC.1.27 cmD. 4.87 cm49.

Find the circumference. Leave your answer in terms of n.48.2.4 cmA. 2.47 cmB.3.67 cmC-example-1
User Thesilican
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Solution

For this case we have the diemater given

D= 2.4 cm

then the radius is:

r= 2.4/2= 1.2cm

And then we can find the circumference with the following formula:


C=2\pi r=2\pi\cdot1.2\operatorname{cm}=7.54\operatorname{cm}

Then the answer is:

A. 2.4 pi cm

User Luchux
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