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Q: How do I figure the area of a circle by diameter?

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Pi times the radius of the circle squared = area And diameter is simply the radius x 2, since the radius is half the length of the circle.

The diameter of a circle with an area of 37.68 is 6.92

A circle with a diameter has an area of 50.265486543928724876568901 sq. ft.

The area of circle that has diameter of 14 centimeters is: 153.9 cm2

Its just the area of a circle 21 inches or 21 centimeters? area of a circle is (pi)*r2 where pi = 3.1415.... and r = radius thus A = (3.1415)*(diameter/2)2 u can figure out the answer from that with a calculator

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The formula for the area of a circle is: area = pi x radius2. The radius is half the diameter.

Pi times the radius of the circle squared = area And diameter is simply the radius x 2, since the radius is half the length of the circle.

The diameter of a circle with an area of 37.68 is 6.92

The area of a circle with the diameter of 3m is 7.069 m2

The area of a circle with diameter of 4.9 is 75.43 units2

If you know the radius, the diameter is 2R If you know the circumference, the diameter is C/R If you know the area ,the diameter is 4A/pi (pi=3.142)

You didn't specify what figure you are talking about. Assuming a circle: divide the diameter by 2 to get the radius. Then use the well-known formula area = pi x radius2.You didn't specify what figure you are talking about. Assuming a circle: divide the diameter by 2 to get the radius. Then use the well-known formula area = pi x radius2.You didn't specify what figure you are talking about. Assuming a circle: divide the diameter by 2 to get the radius. Then use the well-known formula area = pi x radius2.You didn't specify what figure you are talking about. Assuming a circle: divide the diameter by 2 to get the radius. Then use the well-known formula area = pi x radius2.

If the circle is five feet across - that is the diameter.

If the area of a circle is 8pi, its diameter is: 5.657 units.

A circle with a diameter has an area of 50.265486543928724876568901 sq. ft.

The diameter of a circle whose area is 200.96 is: 16

The area of a circle with a diameter of two cm is about 3.1416 cm.

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