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The area of a circle is 9π ft². What is the circumference, in feet? Express your answer in terms of \piπ. (pi)

Sagot :

Answer:

6π feet.

Step-by-step explanation:

The area = π r^2 = 9π

So r^2 = 9π/π = 9

r = 3 ft.

So the circumference = 2πr

= 2*π*3

= 6π feet.

Answer:

6π feet

Hope this helps <3 <3