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Find the circumference of a circular swimming pool with a diameter of feet. Use as an approximation for . Round your answer to the nearest foot. Enter only the number.

Find The Circumference Of A Circular Swimming Pool With A Diameter Of Feet Use As An Approximation For Round Your Answer To The Nearest Foot Enter Only The Numb class=

Sagot :

To determine the circumference of any circle we need to use the following formula:

[tex]C=2\cdot\pi\cdot r[/tex]

Where r is the radius, which is half of the diameter. For this problem we have a pool with diameter equal to 18 feet, therefore the circumference is:

[tex]\begin{gathered} C=2\cdot3.14\cdot\frac{18}{2}=2\cdot3.14\cdot9 \\ C=56.52\text{ ft} \end{gathered}[/tex]

The circumference of the pool is approximately 57 feet.

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