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Two cubes each of side 15 cm arto end to form a cuboid. Find the surfacearea of the resulting cuboid.e joined end |
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Answer» Let the side each cube = a= 15 cmafter joining the two cubes it becomes cuboiddimensions of cuboid islength = a+a = 15+15 = 30 cmbreadth = b= 15 cmheight = h= 15 cmtotal surface area = 2(lb+bh+lh)= 2(30*15 + 15*15+30*15)= 2(450+225+450)=2*1125=2250 square cm |
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