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1. Abox has length 15 cm, breadth 7 cm and height8 cm. Find the total surface area.

Answer»

Given,Length l = 15 cm, Breadth b = 7 cm, Height h = 8 cm

Total surface area= 2(l*b + l*h + b*h)= 2(15*7 + 15*8 + 7*8)= 2(105 + 120 + 56)= 2(281)= 562 cm^2



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