Find the exact circumference of a circle with the given radius. 3/4 inches C= 6.25ft in 6.57 in. 23.257 in.

asked Jan 28, 2020 199k views

0 votes

Find the exact circumference of a circle with the given radius.

3/4 inches
C=
6.25ft in
6.57 in.
23.257 in.

7.5k points

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5 votes

Answer:

$6.5\pi\ in$

Explanation:

we know that

The circumference of a circle is equal to

$C=2\pi r$

we have

$r=3(1)/(4)\ in$

Convert to an improper fraction

$r=3(1)/(4)=(3*4+1)/(4)=(13)/(4)\ in$

substitute

$C=2\pi((13)/(4))$

$C=(13)/(2)\pi=6.5\pi\ in$

Sam Boosalis answered Feb 2, 2020

7.2k points

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