Back to 5.4 Right Triangle Trigonometry

5.4 Exercise 59

Avg difficulty 2.5

A radio tower is located 325 feet from a building. From a window in the building, a person determines that the angle of elevation to the top of the tower is $43° ,$ and that the angle of depression to the bottom of the tower is $31° .$ How tall is the tower?

OpenStax Precalculus 2e, 5.4 Right Triangle Trigonometry, exercise 59

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.