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Trigonometry: Stephan is standing on the ground by a mesa.....

Stephan is standing on the ground by a mesa in the Painted Desert. Stephan is 1.8 meters tall and sights the top of the mesa at 29 degrees. Stephan steps back 100 meters and sights the top at 25 degrees. How tall is the mesa?

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kjvalen22 16 апр. 2019 г.