Q8 of 52 Page 344

The surface area of the three coterminus faces of a cuboid are 6, 15 and 10 cm2 respectively. The volume of the cuboid is

Volume of the cuboid = lbh


6 = l × b


15 = l × h


10 = b × h


6 × 15 × 10 = l2 b2 h2


Volume = l × b × h


= √ 6 × 15 × 10 = 30cm2

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