दैनिक अभिलेखागार: जनवरी 7, 2022

A lower subtends an angle of 30° at a point on the same level as its foot. At a second point h metres above the first, the depression of the…

The tops of two poles of height 20 m and 14 m are connected by a wire. If the wire makes an angle of 30° with horizontal, then the length…

A ladder makes an angle of 60° with the ground when placed against a wall. If the foot of the ladder is 2 m away from the wall, then the…

It is found that on walking x metres towards a chimney in a horizontal line through its base, the elevation of its top changes from 30° to 60° . The…

The ratio of the length of a rod and its shadow is $1: \sqrt{3}$ The angle of elevation of the sum is. A. 30° B. 45° C. 60° D. 90°…