The angle of elevation of the top of a tower from a point is 30 °. On walking 40 m towards the tower the angle changes to 45°.Find the height of the tower?
Answer: C
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Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30º and 45º respectively. If the lighthouse is 100 m high, the distance between the two ships is:
Answer: B
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From a tower of 80 m high, the angle of depression of a bus is 30°. How far is the bus from the tower?
Answer: B
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The angle of elevation of a ladder leaning against a wall is 60º and the foot of the ladder is 12.4 m away from the wall. The length of the ladder is:
Answer: D
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The angle of elevation of the top of a lighthouse 60 m high, from two points on the ground on its opposite sides are 45° and 60°. What is the distance between these two points?
Answer: B
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The shadow of a building is 20 m long when the angle of elevation of the sun is 60º. Find the height of the building.
Answer: A
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A man watching from top of a tower boat speeding away from tower. The boat makes angle of depression of 45° with the man's eye when distance of 100 mtr from tower. After 10 sec, the angle of depressio
Answer: A
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A ladder 10 m long just reaches the top of a wall and makes an angle of 60° with the wall.Find the distance of the foot of the ladder from the wall
Answer: C
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Find the angle of elevation of the sun when the shadow of a pole of 18 m height is 6 √ 3 m long?
Answer: A
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The banks of a river are parallel. A swimmer starts from a point on one of the banks and swims in a straight line inclined to the bank at 45º and reaches the opposite bank at a point 20 m
Answer: B
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