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02-09-2021
Mathematics

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The circumference of a circle is 13π ft. What is the area, in square feet? Express your answer in terms of π.

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02-09-2021

Answer:

[tex]\frac{169}{4} \pi[/tex] square feet

Step-by-step explanation:

Circumference = 2πr

13π = 2πr

[tex]\frac{13}{2}[/tex]=r

Area = πr²

π × [tex]\frac{13}{2}[/tex]² =

[tex]\frac{169}{4}[/tex]π square feet

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