Surveying From the top of a canyon, the angle of depression to the far side of the river
Chapter 8, Problem 9(choose chapter or problem)
Surveying From the top of a canyon, the angle of depression to the far side of the river is 58, and theangle of depression to the near side of the river is 74.The depth of the canyon is 191 m. What is the widthof the river at the bottom of the canyon? Round tothe nearest tenth of a meter.
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