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WAEC Mathematics 2014 Objective — Question 3

Question 3 of 50 from the West African Examinations Council (WAEC) Mathematics 2014 Objective paper, with the correct answer and a full explanation.

The volume of a cube is 512cm³. Find the length of its side.

A. 6cm
B. 7cm
C. 8cmCorrect
D. 9cm

Explanation

Volume of cube = l³ = 512cm³, so l = ∛512 = 8cm.

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