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Find the capacity of rectangular cistern in liters whose dimensions are 11.2 m × 6m × 5.8m. Find the area of the iron sheet required to make the cistern. |
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Answer» We know that volume of cuboid = length × breadth × height Volume of the cistern = 11.2 × 6 × 5.8 = 389.76 m3 = 389.76 × 1000 = 389760 liters. Area of the sheet that required to make the cistern = total surface area of the cistern we know that total surface area of cuboid= 2(l b + b h + h l) = 2 (11.22 × 6 + 6 × 5.8 + 5.8 × 11.2) = 2 (67.2 + 64.96 + 34.8) = 333.92 cm2 |
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