An aeroplane is flying at a height of 300 m above the ground. Flying at this height, the angles of depression from the aeroplane of two points on both banks of a river in opposite directions are 45 and 60 respectively. Find the width of the river. [Use 3 = 1·732]
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Answer:
just use photomath or papamath
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Answer:473m
Just use trigo. And take the help of diagram
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