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The surface area of a 10cm × 4cm × 6cm brick is(a) 84cm2 (b) 124cm2 (c) 164cm2 (d) 180cm2 |
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Answer» (c) 164cm2 Explanation: We know that total surface area of cuboid= 2(l b + b h + h l) = 2 (40 + 30 + 12) = 164 |
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