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Q: What is the approximate area of a circle whose radius is 21 cm?

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pi*10*10 square inches

The radius of the circle is 2 units. * * * * * If the area is 4 units, the radius is 1.128 units

The area of a circle with a radius of nine centimeters is: 254.5 cm2

A circle with a radius of 525 yards has an area of 865,901.48 square yards.

The area of a circle with a radius of 4 feet is: 50.27 square feet.

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what is the approximate area of a circle with a radius of 26ft

A circle with a radius of 11m has an area of ~380.13 m2

Radius is x2 so area is x4.

The area of a circle whose radius is 19 centimeters is: 1,134 cm2

3850m is the area of the a circle whose radius of 7meaters

Approximate area of a 15 foot radius circle is a little more than 700 square feet.

Area of the circle = pi*7.82 = 191.134497 Approximate area = 3*82 = 192

The radius of a circle whose area is 3.14 square centimeters is: 1 cm

Area of a circle = pi (3.14) times the radius squared.

A circle with a radius of 7.75 meters has an area of 188.69 square meters.

A circle with a radius of 6.6 inches has an area of 136.85 square inches.

The area is 314 cm2

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