1.

Alamp post is situated at the middle point M of the side AC of triangular plot ABC with BC = 7m , CA = 8m and AB = 9m. Lamp post subtends an angle15 ^(@)at the point. Find the height of the lamp post

Answer»


ANSWER :` therefore MN = 7 tan 15 ^(@)= 7 (2-sqrt3) mts `


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