The spherical storage tank described in Example 5 had a length of radius of 3ft. Because the tank needs to be painted, we need to find its surface area. Also determine the number of pints of rust-proofing paint needed to paint the tank if 1 pint covers approximately . Use your calculator.
The surface area and number of pints of paint required to paint a spherical storage tank.
A sphere is a three dimensional solid figure, which is made up of all the points in space, which lie at a common distance, called the radius and from a fixed point called the center of the sphere. The surface area of a sphere where r is the radius of the sphere.
All solid bodies occupy space.
The measure of occupied space is called the volume of the object.
Volume of a sphere is
Consider the spherical storage tank whose
Surface area of sphere
Total number of pints of rust-proofing paint required
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