Question

A tree stands vertically on the bank of a river. From a point on the other bank directly opposite the

tree, the angle of elevation of the top of the tree is 60°. From a point 20 m behind this point on the

same bank, the angle of elevation of the top of the tree is 30°. Find the height of the tree and the

width of the river.​

Answer 1

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Answer 2

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