Grade 12th pass10 grade maths
A man sitting at a height of 20m on a tall tree on a small island in the middle of a river observes two poles directly opposite each other on the two banks of the river & in a line with the foot of the tree. If the angles of depression of the feet of the poles from a point at which the man is 60∘ and 30∘ respectively. Find the width of the river?
A man sitting at a height of 20m on a tall tree on a small island in the middle of a river observes two poles directly opposite each other on the two banks of the river & in a line with the foot of the tree. If the angles of depression of the feet of the poles from a point at which the man is 60∘ and 30∘ respectively. Find the width of the river?
