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What is the area in square cm of the circle if the radius is 12 cm?
Area of ANY circle is (pi) x (radius)2 .
What is the diameter of a circle with a radius of 25 cm?
The diameter of a circle is twice the length of its radius. Therefore, if the radius is 25 cm, the diameter would be 2 x 25 cm = 50 cm. The diameter is a straight line passing through the center of the circle and connecting two points on the circle's circumference.
What is the area of a circle with a radius of 20cm and a diameter of 50cm?
This cannot be properly answered because a 20 cm radius equates to a 40 cm diameter. Also, a 50 cm diameter means a 25 cm radius.
What is the radius of a circle with a diameter of 25 cm?
Radius = 1/2 of the diameter = 12.5 cm.
What is the area of a circle whose radius is 18 cm?
Well, darling, the area of a circle is calculated using the formula A = πr^2, where r is the radius. So, plugging in 18 cm for the radius, we get A = π(18)^2 = 324π cm². So, the area of a circle with a radius of 18 cm is 324π square centimeters. Voilà!
