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WAEC Mathematics 2016 Objective — Question 21

Question 21 of 50 from the West African Examinations Council (WAEC) Mathematics 2016 Objective paper, with the correct answer and a full explanation.

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Kweku walked 8m up to a slope and was 3m above the ground. If he walks 12m further up the slope, how far above the ground will he be?

  • A. 4.5m
  • B. 6.0m
  • C. 7.5mCorrect
  • D. 9.0m

Explanation

By similar triangles, 3/8 = h/20 → h=3×20/8=7.5m.

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