Q: What is the area of a circle with a radius of 25 cm?

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The probability as a fraction that a point chosen at random within a circle of radius 10 cm will be inside a concentric circle of radius 4 cm is the ratio of the area of the smaller circle (4 cm radius) to the area of the larger circle (10 cm radius). Therefore, the probability is (4^2)/(10^2) = 16/100 = 4/25.

Area of a circle in square cm = pi*radius squared

A circle with a radius of 19 cm has an area of 1,134.11 square cm.

A circle with a radius of 2 cm has an area of 12.57 square cm.

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

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If you mean area of a circle with a radius of 25 cm then it is:- Area = pi*252 = 1963.495 square cm to 3 decimal places

The probability as a fraction that a point chosen at random within a circle of radius 10 cm will be inside a concentric circle of radius 4 cm is the ratio of the area of the smaller circle (4 cm radius) to the area of the larger circle (10 cm radius). Therefore, the probability is (4^2)/(10^2) = 16/100 = 4/25.

Area of a circle in square cm = pi*radius squared

4 cm radius = Area of 50.26548 sq. cm.

A circle with a radius of 3 cm has an area of 28.27 square cm.

A circle with a radius of 19 cm has an area of 1,134.11 square cm.

A circle with a radius of 2 cm has an area of 12.57 square cm.

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

A circle with a radius of 2.7 cm has an area of 22.9 square cm.

A circle with a radius of 8.2 cm has an area of 211.24 square cm.

The area of a circle with a 14 cm radius is: 615.8 cm2

The area of a circle with a radius of 15 cm is: 706.9 cm2