beccaboocissell beccaboocissell

08-02-2021
Mathematics

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The area of a circle is 9πft^2. What is the circumference in feet?

Respuesta :

27dewittclara 27dewittclara

08-02-2021

Answer:

98

Step-by-step explanation:

Answer Link

mhanifa mhanifa

08-02-2021

Answer:

6π ft

Step-by-step explanation:

Area:

A = πr²

Circumference:

C = 2πr

Substitute values in area:

πr² = 9π
r² = 9
r = 3 ft

Circumference is:

C = 2π*3 = 6π

Answer Link

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