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Nezavi [6.7K]
3 years ago
7

the circumference of a circle is 11pi inches. what is the area, in square inches, of the circle? express in terms of pi.

Mathematics
2 answers:
zmey [24]3 years ago
8 0
Circumference = 2 * pi * r, where r is the radius
For this circle, the circumference is 11pi, so 11pi=2*pi*radius. Divide both sides by 2pi and you get r is = to 5.5 inches.

Area of a circle is pi*r^2. Since we just saw that r = 5.5 inches, the circle has an area of 5.5 inches * 5.5 inches * pi or 30.25 pi inches squared.
Tomtit [17]3 years ago
8 0

Answer:

30.25 pi

Step-by-step explanation:

The radius is 5.5 cm. So that's the answer.

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