NABTEB Mathematics 2022 Objective — Question 23
Question 23 of 50 from the National Business and Technical Examinations Board (NABTEB) Mathematics 2022 Objective paper, with the correct answer and a full explanation.
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A ladder 6m long leans against a vertical wall at an angle of 53 degrees to the horizontal. How high up the wall does the ladder reach?
- A. 3.611m
- B. 4.521m
- C. 4.792mCorrect
- D. 3.962m
Explanation
sin(53) = x/6, so x = 6 x sin(53) = 4.792m.
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