To calculate the volume we multiply these values together. The answer will be written in [units]³. It is more accurate to use π = 3.142 or the π button on a calculator.

How to calculate the area and volume of circles and spheres? Area of a Circle = π r 2. Area of a Sphere = 4 π r 2 (r represents the radius) A circle has no volume since it is a two-dimensional ...

Let's assume both a basketball and a balloon have a diameter of 20 cm. Calculating the volume and plugging into the F air equation, I get an upward-pushing force of 0.049 newtons. That's tiny .