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Geometry: Volumes of Cylinders, cones and Spheres
Finding the Volume of a Sphere
Description
Finding the Volume of a Sphere
Introduction
A sphere is a perfectly round 3D shape, such as a basketball, a globe, or a marble. Finding its volume tells us how much space it contains. This is useful when designing round containers, comparing sports balls, ...
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Transcript
Sarah looks at her little brother’s soccer ball, whose radius is three inches, and wonders how much air fits inside it.
Since the ball is perfectly round, Sarah recognizes that it is a sphere. The space inside the ball that can be filled with air is its volume.
To calculate the volume of the sphere, she uses the volume formula for...
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