Question

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.​

Answer 1

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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