find the capacity of a rectangular cistern in litres whose dimensions are 11.2 m*6m*5.8m. find the area of iron sheet required to make the cistern.
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Answer:
Capacity of cistern = 389.76 m^3
Area of iron sheet = 333.92 m^2
Step-by-step explanation:
Capacity of cistern = Volume of cuboid
Therefore, volume of cistern = l x b x h
= 11.2 x 6 x 5.8 = 389.76 m^3
Area of iron sheet = T.S.A of cuboid
Therefore, area of sheet = 2 (lb+lh+bh)
= 2 x [(11.2 x 6) + (11.2 x 5.8) + (5.8 x 6)] = 2 x (67.2 + 64.96 + 34.8)
= 2 x 166.96 = 333.92 m^2
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