Question

found to be . Find the negli ultimi.
(b) A tower stands by the side of a river at A. On the other
side of the river, B is a point on the bank
such that AB is the width of the river. C is a point on the bank of B such that A, B and Care in
the same straight line. If BC =5 m and the angles of elevation of top of the tower from B and C
are 60° and 45° respectively, find the width of the river and the height of the tower.
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Answer 1

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