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The answer depends on what you want the formula for: the radius, circumference; the equation of the circle in some coordinate plane - and if so, in how many dimensional space?

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12y ago

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What is the formula for the area of a circle with a diameter of 100?

The formula for the area of a circle is A = πr^2, where A is the area and r is the radius of the circle. To find the radius from the diameter, you divide the diameter by 2. So, for a circle with a diameter of 100, the radius would be 50. Plugging this into the formula, the area would be A = π(50)^2 = 2500π square units.


What is the area of a circle with the radius of 100?

The area of a circle can be calculated using the formula A = πr^2, where A is the area, π is a constant approximately equal to 3.14159, and r is the radius of the circle. Given a radius of 100, the area of the circle would be A = π(100)^2 = 10000π square units. This simplifies to approximately 31415.9 square units.


What is the length of the radius of a circle whose area is 100π?

The formula for the area (A) of a circle is A = πr2. If the area is 100π then 100π = πr2 : 100 = r2 : r = √100 = 10. The radius is of length 10 units.


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 the formula doe for the area of a circle?

The formula to find the area of a circle is: A = pi * r2


What is the formula used to calcd the area of a circle?

The formula used to calculate the area of a circle is A r2, where A represents the area and r is the radius of the circle.


What is the fa formula for calculating the area of a circle?

The formula for calculating the area of a circle is A r2, where A represents the area and r represents the radius of the circle.


Which area is bigger a circle with a diameter of 10 feet or a triangle with an area of 100 sq ft?

Use the standard formula to calculate the area of the circle, then you can compare with the area given for the triangle. Note 1: The formula for a circle is: area = pi x radius squared Note 2: The radius is half the diameter


Formula to find area of circle?

The area of a circle can be found with the formula (pi)r^2


What is the formula for Bh for circle?

Area formula for circle= --,,- r 2


What is the formula for finding percentage error in area of a circle?

It is 100*(Measured Value/True Value - 1)


Investigate the formula of the area of a circle?

The formula to find the area of a circle is pi x the radius squared.