Practical Mathematics

Practical Mathematics

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Find the angle of elevation of the sun when a 60-foot flagpole casts a shadow 72 feet long. 11. ... From the top of a cliff 200 feet above a lake, the angle of depression to a small boat on the lake is 18Ad. ... SOLVING A RIGHT TRIANGLE In working a word problem, we are usually asked to find only one or two of the unknowns.

Title:Practical Mathematics
Author: Russell V. Person, Vernon J. Person
Publisher:John Wiley & Sons - 1977-01-01

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