On the top of a cliff on the sea shore The person standing Looks at Angle of depression in 10 minutes How long will the boat go from 30 ° to 60 °? Will I reach the shore?

A man on the top of a tower: standing on the seashore: finds that a boat coming towards him takes 10 min for the angle of depression to change from 30^(@) to 60^(@). Find the time taken by the boat to reach the shore from this position

A man on the top of a tower,standing on the seashore,finds that a boat coming towards him takes 10 minutes for the angle of depression to change from 30o to 60o. Find the time taken by the boat to reach the shore from the position.

An observer on the top of a cliff 200 m above the sea level, observes the angles of depression of two ships on opposite sides of the cliff to be 45^(@) and 30^(@) respectively. Then the distance between the ships if the line joining the points to the base of the cliff

A girl standing on a lighthouse built on a cliff near the seashore, observes two boats due East of the lighthouse. The angles of depression of the two boats are 30^@ and 60^@ . The distance between the boats is 300 m:-Find the distance of the top of the lighthouse from the sea level.(Boats and foot of the lighthouse are in a straight line).

From the top of a lighthouse 120 m above the sea, the angle of depression of a boat is 15^(@). what is the distance of the boat from the lighthouse?

From the top of a lighthouse 120m above the sea, the angle of depression of a boat is 15^(@) . What is the distance of the boat from the lighthouse?

From the top of the cliff 300 metres heigh,the to top a tower was observed at an angle of depression 30^(@) and from the foot of the tower the top of the cliff was observed at an angle of elevation 45^(@). The height of the tower is

From the top of a cliff 300 metres high, the top of a tower was observed at an angle of depression 30^@ and from the foot of the tower the top of the cliff was observed at an angle of elevation 45^@ , The height of the tower is