codxinesay5 codxinesay5
  • 07-12-2017
  • Mathematics
contestada

The area of B is 144pi ft2 Find the circumference of b

A C=12 PI FT
B C=24 PI FT
C C= 48 PI FT
D C=288 PI FT


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karsenmew11
karsenmew11 karsenmew11
  • 07-12-2017
a c=12 pi ft i think

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mathstudent55
mathstudent55 mathstudent55
  • 07-12-2017
First, we use the area an the formula of the area to find the radius of the circle.

Area of circle = pi * r^2

144 pi ft^2 = pi * r^2

r^2 = 144 ft^2

r = 12 ft

The radius of the circle is 12 ft.

Now we use the circumference formula to find the circumference of the circle.

circumference of circle = 2 pi r

C = 2 * pi * 12 ft

C = 24pi ft
Answer Link

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good job