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WAEC Mathematics 2000 Question 44

Question 44

Mensuration of Plane Shapes

The lengths of the parallel sides of a trapezium are 5cm and 7cm. If its area is 120cm2, find the perpendicular distance between the parallel sides.

  1. A.5.0cm
  2. B.6.9cm
  3. C.10.0cm
  4. D.20.0cm.
Show the answer and explanation

Answer: D (20.0cm.)

Explanation

½ × (5 + 7) × h = 120, so 6h = 120 and h = 20 cm.