Some problems or situations will not. Excel has this constant built in as a function with no parameter inputs PI. It doesnt matter whether you want to find the area of a circle using diameter or radius - youll need to use this constant in almost every case.
The POWER function will take any number and raise it to the power of any other number.
The formulas for the area of a circle are. Circumference 2 p r displaystyle text circumference2pi r. It is interesting to compare the area of a circle to a square. The p number is usually approximated to two decimal places and therefore equals 314.