As observed from the top of a light house, 100m above sea level, the angle of depression of a ship, sailing directly towards it, changes from `30o` to `45o` . Determine the distance travelled by the ship during the period of observation.

As observed from the top of a lighthouse, 100 m above sea level, the angle of depression of a ship, sailing directly towards it, changes from 30^(@) to 60^(@) . Determine the distance travelled by the ship during the period of observation. [Use sqrt(3) = 1.732 ].

As observed from the top of a lighthouse, 45 m high above the sea-level, the angle of depression of a ship, sailing directly towardsit, changes from 30^(@) to 45^(@) . The distance travelled by the ship during the period of observation is: (Your answer should be correct to one decimalplace.)

As observed from the top of a light house, 100 m high above sea level, the angles of depression of a ship, sailing sirectly towards it, changes from 30^(@)" and "90^(@) .

As observed from the top of a lighthouse, 120 sqrt3 m above the sea level, the angle of depression of a ship sailing towards it from 30^@ to 60^@ .The distance travelled by the ship during the period of observation is : एक प्रकाशस्तंभ के शीर्ष से जो की, समुद्र तल से 120 sqrt3 मीटर ऊपर है, उसकी और आ रहे जहाज का अवनमन कोण 30^@ से 60^@ हो जाता है अवलोकन की अवधि के दौरान जहाज द्वारा तय की जाने वाली दूरी ज्ञात कीजिये

From the top of a light -house at a height 20 metres above sea -level,the angle of depression of a ship is 30^(@) .The distance of the ship from the foot of the light house is

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 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 light house 60m high with itsbase at sea level the angle of depression of a boatis 15^(@). The distance of the boat from the light house is