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Earn +20 ptsQ: Area of a cirlce 30m radius?
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What is the area of a cirlce with a radius of 3?
9pi
What is the area of a cirlce with a radius of 15Cm?
Area = (pi) (radius)2 = 225 pi = 706.858 square centimeters (rounded)
Why do you square the radius when finding the area of a cirlce?
Because the circle is measured in square units.
What is the formula for finding the area of a cirlce?
pi times radius squared: a=pi x r2
What is the area of a cirlce where the radius is 12 in?
Area of a circle = pi*r2 Area = pi(12 in)2 ( 144 * pi ) = 452 in2 =======
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