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how to calculate area of circle formula. The result will vary from zero when the height is zero to the full area of the circle when the height is equal to the diameter. The area of a circle is given by PiRadius2 where Pi is a constant approximately equal to 314159265.
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It can be determined easily using a formula A pr2 Pi r-squared where r is the radius of the circle. Area of a Segment of a Circle Formula. The formula to find a circles area p radius 2 usually expressed as p r 2 where r is the radius of a circle.
Excel has this constant built in as a function with no parameter inputs PI.
R is the radius of the circle of which the segment is a part. Find the area of the full circle and divide it by two. The area of a circle is given by PiRadius2 where Pi is a constant approximately equal to 314159265. R is the radius of the circle of which the segment is a part.
