the surface area of cuboid = 252 square cm.It lenght and breadth are 8cm ,7cm respectively. Find height
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Answer: height = 4.66cm
Step-by-step explanation: let the height be = x
TSA of cuboid = 2(lb+bh+hl)
252 =2(56+7x+8x)
252 = 2(56+15x)
252/2=56+15x
126-56 = 15x
70 = 15x
70/15 = x
x = 4.66
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