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Subjects>Math>Geometry

What is the area formula for a circle?

Anonymous

∙ 14y ago

Updated: 4/28/2022

you take the radius which is half of the diameter to the second power then multiply that to pie, which is usually 3.14 but if you look at a calculator their is actually a pie button that is more exact also.

Wiki User

∙ 14y ago

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Formula to find the area of circle?

Area of a circle = pi*radius2

What is the formula for the circumference of a circle from the area?

In order to convert the area of a circle to the circumference of the circle, divide by the radius and multiply by two. The formula for the circumference of a circle is pi times the diameter.

What is the formula for finding the area of a semi-circle in terms of pi?

semi means half A semi-circle is half a circle The formula for the area of a circle is A = (Π * r^2) Area of semi circle = (Π * r^2) ÷ 2

Formula of circle?

The formula for the area of a circle is pi times the radius squared. The formula for the circumference of a circle is two times pi times the radius.

What is the radius and the area of a circle?

The radius of a circle is the distance from the center to any point on the circle. The area is the space within the circle. The formula to find the area is πr2. r stands for the radius of the circle. If you want to find the radius, you can work backwards from the area or the circumference, which is the perimeter of the circle. The formula for circumference is 2πr.

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