JSCE Mathematics 2022 Objective — Question 20
Question 20 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2022 Objective paper, with the correct answer and a full explanation.
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A ladder 6m long leans against a wall and makes an angle of 50° with the wall. Find the distance between the wall and the foot of the ladder, correct to two decimal places. [Cos 50 = 0.6427, Tan 50 = 1.1917, Sin 50 = 0.7660]
- A. 3.86m
- B. 4.60mCorrect
- C. 5.03m
- D. 7.15m
Explanation
Distance = 6 × sin 50° = 6 × 0.7660 = 4.60m.
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