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A cuboidal box of dimensions 1m x 2m x 1.5 m is to be painted except its bottom .Calculate how much area of box has to be painted |
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Answer» Answer: Step-by-step explanation: LENGTH of cabinet(l) = 2 m, Breadth of(b) = 1 m Height of cabinet (H)= 1.5 m Surface area of cabinet= area of top + LATERAL surface area = lb + 2(l+b)h Surface area of cabinet= lb + 2(l+b)h = 2×1+2(2+1)×1.5 = 2+2(3)× 1.5 = 2+ 6 ×1.5 = 2+ 9 = 11 m² Hence, the required surface area of cabinet is 11m² ========================================================= HOPE this will help you... |
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