First divide by (2 x pi) to obtain the radius. Then calculate the area with the well-known formula for the area of a circle: A = pi x radius2.
First divide by (2 x pi) to obtain the radius. Then calculate the area with the well-known formula for the area of a circle: A = pi x radius2.
First divide by (2 x pi) to obtain the radius. Then calculate the area with the well-known formula for the area of a circle: A = pi x radius2.
First divide by (2 x pi) to obtain the radius. Then calculate the area with the well-known formula for the area of a circle: A = pi x radius2.
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First divide by (2 x pi) to obtain the radius. Then calculate the area with the well-known formula for the area of a circle: A = pi x radius2.
If the area of a circle is given as 67cm squared, the diameter is 9.236 cm and the circumference is 29.02 cm
Area = 78.54 cm2Circumference = 31.42 cm
The circumference is 42.538 cm
circumference = 2πr → r = circumference/2π area = πr² = π(circumference/2π)² = circumference²/4π = (1.5π cm)²/4π = (3π/2 cm)²/4π = (9π²/4)/4π cm² = 9π/16 cm² = 0.5625π cm²
The circumference of a circle whose area is 16 times the area of a circle whose diameter is 1.4m is: 17.6 cm