What is the area of a circle with a circumference of 11 pi

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asked Sep 9, 2018 69.7k views

1 Answer

Oscar Vicente Perez · Answer 1 · 2018-09-12T21:12:29+0000

circumference=2pir
area=pir^2

circumference=2pir=11pi
2pir=11pi
divide by pi
2r=11
divide by 2
r=5.5

subsitute
area=pir^2
area=pi5.5^2
area=pi30.25
area=30.25pi suqare units
aprox with pi=3.14
area=94.985 suqare units

What is the area of a circle with a circumference of 11 pi

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