172 If you know the radius of the circle and the height of the segment you can find the segment area from the formula below. The POWER function will take any number and raise it to the power of any other number. The area of a circle is given by PiRadius2 where Pi is a constant approximately equal to 314159265.
Formula of area of circle in the form of diameter is Area pi diameter2 diameter2 Area 14 pi d2 For the sake of understanding we will solve the previous example using the formula of a diameter.
Learn how to use this formula to find the area of a circle when given the diameter. The diameter of a circle calculator uses the following equation. The formula for the area A A of a circle is built around its radius. The formula to find the area of the segment is given below.