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Formula for the radius of a circle?

Anonymous

∙ 14y ago

Updated: 4/28/2022

Well to find the radius it is diameter/2.

Wiki User

∙ 14y ago

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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 formula for a circle radius r?

Area of a circle = pi*radius2 Circumference of a circle = 2*pi*radius or diameter*pi Diameter of a circle = 2*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.

How do you find the radius of a circle when the area is given?

-- Take the formula for the area of the circle in terms of the radius . . . A = (pi) R2-- Solve that formula for 'R'. You'll then have a formula for the radius in terms of the area,which is exactly what you're looking for.

What is the formula to find a radius of a half circle?

same as for a whole circle

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Related Questions

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.

Formula for radius of circle?

radius = diameter/2

Formula for radius of a circle?

radius = diameter/2.

What is the formula for the diameter or a circle?

If you are given the radius of the circle, you can use the formula: diameter = 2*radius If you are given the circumference of the circle, you can use the formula: diameter = circumference/pi

Formula and result of area of circle?

The formula for the area of a circle is: Area = (pi) x (Radius)2 . When you know the radius of the circle and you use it to calculate the area of the circle, the result will be equal to (pi) x (Radius)2 .

Why do you use the radius in the formula of finding the area of a circle?

Area of circle = pi*(radius)2

What is formula for the area of a circle?

the formula for the area of a circle is 3.14 x radius squared

What is Pi R Squared?

The formula for the area of a circle is πr^2, where π (pi) is a mathematical constant approximately equal to 3.14159, and r is the radius of the circle. So, "pi r squared" refers to the area of a circle, calculated by multiplying π by the square of the radius. This formula is fundamental in geometry and mathematics for finding the area enclosed by a circle.

What is the formula for a circle radius r?

Area of a circle = pi*radius2 Circumference of a circle = 2*pi*radius or diameter*pi Diameter of a circle = 2*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.

What the formula in circle?

Area of a circle = pi*radius squared Circumference of a circle = 2*pi*radius or diameter*pi

What is formula for radius o a circle?

radius = 1/2 diameter

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