Mathematics

Mathematics, 04.09.2020 07:01, asiaboo37

Using binoculars, three people P, Q, and R can see each other across a valley. The horizontal distance between P and Q is 6.8 km and the horizontal distance between Q and R is 10 km. If the shortest distance between P and Q is 7 km and the angle of depression of Q from R is 15, calculate: a) the angle of elevation of R from P
b) the shortest distance between P and R

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Using binoculars, three people P, Q, and R can see each other across a valley. The horizontal distan...

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