[" Example "7" : From a point on a bridge across a river,the angles of depres "],[" the banks on opposite sides of the river are "30^(@)" and "45^(@)" ,respectively.If "],[" is at a height of "3m" from the banks,find the width of the river."]

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 3m from the banks, find the width of the river.

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 3 m from the banks, find the width of the river.

From a point an a bridge across 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 3 m from the banks, find the width of the river.

From a point on a bridge across a river, the angles of depression of the banks on opposite sides of the river are 30^o and 45^o , respectively. If the bridge is at a height of 3 m from the banks, find the width of the river.

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 3 m from the banks, find the width of the river.

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

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

From a point on a bridge across a river. The angles of depression of the banks on opposite sides at the river are 30^(@) and 45(@) respectively. If the bridger is at a height at 3 m from the banks, find the width at the river.

From a point A on a bridge across a river, the angles of deression of the banks on opposite side of the river are 30^@ and 45^@ , respectively. If the bridge is at a height of 9 m from the suface of river, then find the width of the river.

From a point of a bridge across a riuver, 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 10 m from the banks, then find the width of the river. (Use sqrt3=1.73 )