Q: What is the area of a circle when the radius is 4?

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

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 4 units is: 50.27 square units.

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

A circle has only one measure for its radius. A shape that has a "radius" of 3 in by 4 in cannot be a circle.

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

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 4 units is: 50.27 square units.

The Area of a circle is Pi (r)(r) so the area of a circle with the radius of 4, would be 16pi

4 cm radius = Area of 50.26548 sq. cm.

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

A circle has only one measure for its radius. A shape that has a "radius" of 3 in by 4 in cannot be a circle.

The area of a circle is pi times the square of the radius: A = πr2. For a circle of radius 4, this is π x 42 = π x 16 = 50.265 units squared.A circle with a radius of 4 units has an area of 50.27 square units.

A circle with a radius of 4 cm has an area of 50.27 square cm.

A circle with a radius of 4 cm has an area of 50.27 square cm.

A circle with a radius of 4 cm has an area of 50.27 square cm.

Area of a circle = pi x (radius)2So, if the radius is 4 cm, the area is pi x 42= 50.265 cm2