"Published in Newark, California, USA"
The average depth of a lake is estimated to be 40 ft. If the surface area is 15 acres, find the volume of water in the lake. (1 acre = 43,560 sq. ft.)
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| Photo by Math Principles in Everyday Life |
Solution:
Consider the given figure above
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| Photo by Math Principles in Everyday Life |
Let's assume that the lake is in a shape of a cylinder. Since the surface area of a lake as well as the estimated depth are given in the problem, then we can get the volume of water in the lake as follows
Therefore, the volume of water in the lake is
