A man of a cliff observes a boat at an angle of depression of `30^0` which is approaching the shore to the point immediately beneath the observer with a uniform speed. Six minutes later, the angle of depression of the boat is found to be `60^0dot` Find the time taken by the boat to reach the shore.

A man of a cliff observes a boat at an angle of depression of 30^(@) which is approaching the shore to the point immediately beneath the observer with a uniform speed.Six minutes later,the angle of depression of the boat is found to be 60^(0). Find the time taken by the boat to reach the shore.

A man on a cliff observes a boat at an angle of depression of 30^(@) which is approaching the shore to the point immediately beneath the observer with a uniform speed.Six minutes later; the angle of depressions of the boat is found to be 60^(@). Find the time taken by boat to reach the shore.

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at angle of depression of 30^0, which is approaching to the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60^0dot Find the further time taken by the can to reach the foot of the tower.

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at an angle of depression of 30^0 , which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60^0 . Find the time taken by the car to reach the foot of the tower from this point.

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at an angle of depression of 30^@ , which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60^@ . Find the time taken by the car to reach the foot of the tower from this point.

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at an angle of depression of 30^@ , which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60^@ . Find the time taken by the car to reach the foot of the tower from this point.

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at an angle of depression of 30^@ , which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60^@. Find the time taken by the car to reach the foot of the tower from this point.

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at angle of depression of 30^@ , which is approaching to the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60^@ . Find the further time taken by the car to reach the foot of the tower.

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at angle of depression of 30o , which is approaching to the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60o . Find the further time taken by the car to reach the foot of the tower.

A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at an angle of depression of 30^@ , which is approaching the foot of the tower with a uniform speed. Six secondslater, the angle of depression of the car is found to be 60^@ . Find the further time taken by the car to reach the foot of the tower.