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You do the radius x radius then multipy it by pi.

Say my radius is 7 . 7 x 7 = 49

49 x 3.14 (3.14 is pi.)

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Q: What is the area of a circle with a radius of 7 inches?

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Area of a circle: pi*radius squared

The radius is 7 inches.

The area of a circle with a radius of 7 cm is: 153.9 cm2

Circumference is 2π times the radius. So, for 14π the radius is 7. Area is πr2, so the area of a circle with radius 7 is 72π, or 49π (153.93).

The relationship between a circle's radius and it's area is: a = πr2 so if the radius of the circle increases by 7 times, the area will increase by π72 times, or 49π, which is approximately equal to 153.938

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Area = 153.94 in2

Area of a circle: pi*radius squared

A circle 14 inches in diameter has a radius of 7 inches, and a circle having a radius of 7 inches has a diameter of 14 inches.

C=14pi A= 98pi

Area of any circle = pi*radius squared

Area = pi*r^2 = 153.9 square inches.

Area = 3.14*72 = 153.86 square inches

Radius of the circle will be 7 inches and its area is pi*7^2 = 154 square inches rounded to a whole number

The radius is 7 inches.

The area of a circle with a radius of 7 cm is: 153.9 cm2

I assume that a 14 inch circle is a circle 14 ionches in diameter. Use the formula Area = Pi x radius of the circle X radius of the circle The radius is half the diameter. Pi is 3.14159 (appx) So the area = 3.14159 X 7 X 7 = 153.937 square inches. Or approximately 154 square inches

Diameter = 14 inches Radius = 14/2 = 7 inches Area of circle = pi x r x r = 3.1415 x 7 x 7 = 153.9335 square inches