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The angles of elevation of the top of a tower 90 m high, from two points on the level ground on its opposite sides are 45° and 60°. What is the distance between the two points (rounded off to the nearest integer)?(√3 = 1.732)
  • a)
    133m
  • b)
    142m
  • c)
    150m
  • d)
    167m
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The angles of elevation of the top of a tower 90 m high, from two poi...
Let AB be the tower and C and D the two points.
Now AB/BC=tan⁡45=1
AB=BC=90
Also AB/BD=tan⁡60=√3
BD=90/√3=30√3
Hence CD = CB = 90 + 30√3 = 90 + 51.96 = 141 = 142m
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The angles of elevation of the top of a tower 90 m high, from two points on the level ground on its opposite sides are 45° and 60°. What is the distance between the two points (rounded off to the nearest integer)?(√3 = 1.732)a)133mb)142mc)150md)167mCorrect answer is option 'B'. Can you explain this answer?
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The angles of elevation of the top of a tower 90 m high, from two points on the level ground on its opposite sides are 45° and 60°. What is the distance between the two points (rounded off to the nearest integer)?(√3 = 1.732)a)133mb)142mc)150md)167mCorrect answer is option 'B'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about The angles of elevation of the top of a tower 90 m high, from two points on the level ground on its opposite sides are 45° and 60°. What is the distance between the two points (rounded off to the nearest integer)?(√3 = 1.732)a)133mb)142mc)150md)167mCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The angles of elevation of the top of a tower 90 m high, from two points on the level ground on its opposite sides are 45° and 60°. What is the distance between the two points (rounded off to the nearest integer)?(√3 = 1.732)a)133mb)142mc)150md)167mCorrect answer is option 'B'. Can you explain this answer?.
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