NECO Mathematics 2022 Objective — Question 41
Question 41 of 50 from the National Examinations Council (NECO) Mathematics 2022 Objective paper, with the correct answer and a full explanation.
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The lengths of the parallel sides of a trapezium are 9cm and 12cm. If the area of the trapezium is 105cm^2, find the perpendicular distance between the parallel sides.
- A. 5cm
- B. 7cm
- C. 10cmCorrect
- D. 15cm
Explanation
Area = (1/2)(a+b)h: 105 = (1/2)(9+12)h = 10.5h, so h = 105/10.5 = 10cm.
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