yajairaquintanilla04 yajairaquintanilla04

07-03-2019
Mathematics

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The circumference of a clock in the cafeteria is 10π feet. Which measurement is closest to the area of the clock?

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kevmo38 kevmo38

07-03-2019

The circumference of a circle is: 2πr

We can use this to plug in 2πr=10π so r = 5.

The area of a circle is: πr^2

Since we found r is equal to 5 we can plug that in as A=π(5^2)

Which equals 25π

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