Question

31. From a point on a bridge across a river the angles of depression of the banks on opposite
side of the river are 30° and 45° respectively. If bridge is at the height of
30 m from the banks, find the width of the river​

Answer 1

Answer:

31. From a point on a bridge across a river the angles of depression of the banks on opposite

side of the river are 30° and 45° respectively. If bridge is at the height of

30 m from the banks, find the width of the river