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Earn +20 ptsQ: Area of a circle equals 3rsquared where are is the radius?
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How do you find the radius of a circle if you already know the area?
The area of a circle equals pi times the radius squared (A = pi*radius2) where pi is 3.1416 So the radius is the square root of the area divided by 3.1416
Find the area of the circle shown with radius r equals 5 m?
25 pi sqm
What is a radius square?
When you try to figure out an area of a circle, you square the radius, then multiply it by pi to get the area of a circle. A radius square is radius x radius, or radius squared.
What does A equals 3.14x10x10 equal?
That is the formula for calculating the area of a circle with a 10 unit radius. The answer is 314 sq units.
If a circle has a radius of 12 meters what is the area half of the circle?
The area of any circle is (pi) x (radius)2 .The area of half the circle is just half of that number.
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