Saved Bookmarks
| 1. |
From a point on a bridge across a river, the angles of depression of the banks on opposite sides of the river are 30∘ and 45∘ respectively. If the bridge is at a height of 2.5 m from the banks, find the width of the river. [Take √3=1.732.] |
|
Answer» From a point on a bridge across a river, the angles of depression of the banks on opposite sides of the river are 30∘ and 45∘ respectively. If the bridge is at a height of 2.5 m from the banks, find the width of the river. [Take √3=1.732.] |
|