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The angle of elevation of a ladder leaning against a wall is 30° and the foot of the ladder is 5 m away from the wall. The length of the ladder is
  • a)
    4 m
  • b)
  • c)
    8 m
  • d)
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The angle of elevation of a ladder leaning against a wall is 30° a...
Let, the length of the ladder be ‘l’ which is QR

 
Use trigonometric method in given triangle PQR
⇒ cos θ = Base/Hypotenuse 
⇒ cos 30° = 5/l
⇒ l = 10/√3 m
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The angle of elevation of a ladder leaning against a wall is 30° and the foot of the ladder is 5 m away from the wall. The length of the ladder isa)4 mb)c)8 md)Correct answer is option 'D'. Can you explain this answer?
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The angle of elevation of a ladder leaning against a wall is 30° and the foot of the ladder is 5 m away from the wall. The length of the ladder isa)4 mb)c)8 md)Correct answer is option 'D'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about The angle of elevation of a ladder leaning against a wall is 30° and the foot of the ladder is 5 m away from the wall. The length of the ladder isa)4 mb)c)8 md)Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The angle of elevation of a ladder leaning against a wall is 30° and the foot of the ladder is 5 m away from the wall. The length of the ladder isa)4 mb)c)8 md)Correct answer is option 'D'. Can you explain this answer?.
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