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NECO Mathematics 2007 Objective — Question 34

Question 34 of 60 from the National Examinations Council (NECO) Mathematics 2007 Objective paper, with the correct answer and a full explanation.

If the volume of a rectangular-based pyramid is 60cm^3 and its base area is 18cm^2, calculate the height of the pyramid.

A. 10cmCorrect
B. 15cm
C. 20cm

Explanation

V = 1/3 x base area x height: 60 = 1/3 x 18 x h, giving 6h=60, h=10cm.

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