Enter the circle’s radius in the indicated field and select the dimension unit. Optionally, you can use the diameter and perimeter – circumference to calculate the circle’s area. If we have a circle ...

The basic formula for calculating the area of a rectangle in Excel is length * height. Thus, the syntax of the formula for finding the area of a rectangle in Excel would become: You could use the Fill ...

This is a C++ program that provides basic geometric calculations for circles, rectangles, and triangles. The user can choose to calculate areas, perimeters, or circumferences depending on the shape ...

The ability to round a number to a number of decimal places or to a number of significant figures is essential if answers are to be written to the correct degree of accuracy asked for in a question.

The wall of a room is to be painted. However there is a door and a window in the wall. The painter needs to estimate how much paint she will need to paint the wall while leaving out the door and ...

So you have a circle. What is the area of that circle? Surely everyone remembers that the area of a circle is: Where Pi (π) is of course the number and r is the radius of the circle. Where does this ...