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WAEC Mathematics 2003 Question 14

Question 14

Mensuration of Solids

A pyramid of volume 120cm3 has a rectangular base which measures 5cm by 6cm. Calculate the height of the pyramid

  1. A.5cm
  2. B.9cm
  3. C.12cm
  4. D.15cm
Show the answer and explanation

Answer: C (12cm)

Explanation

V = ⅓ × 30 × h = 10h = 120, so h = 12 cm.