Q5 of 28 Page 93

A bridge over a river makes an angle of 45° with the bank of the river. If the length of the bridge over the river is 150 m then the width of the river will be


Let AC is a width of the river, Angle of elevation from point B is o. AB is a length of the bridge.


We know that,





(Rationalization)



h = 75√2

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