"Published in Newark, California, USA"
A circular oak table top is 4 ft. in diameter and ¾ in. thick. How heavy is it if oak weighs 47 lb. per cu. ft.?
Solution:
To illustrate the problem, it is better to show the figure as follows
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| Photo by Math Principles in Everyday Life |
The volume of a circular oak table top which is the volume of a right circular cylinder is
Therefore, the weight of a circular oak table top is
