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Ex 11.4, 6 - A milk tank is in form of cylinder whose radius is 1.5 m

Ex 11.4, 6 - Chapter 11 Class 8 Mensuration - Part 2
Ex 11.4, 6 - Chapter 11 Class 8 Mensuration - Part 3

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Ex 11.4, 6 A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m. Find the quantity of milk in liters that can be stored in the tank? Given, Radius of tank = r = 1.5 m & Height of tank = h = 7 m Now, Quantity of milk stored in the tank = Volume of tank = Volume of cylinder = 𝜋𝑟^2 ℎ = 22/7×(1.5)^2×7 = 22/7×(1.5)^2×7 = 22×(1.5)^2 = 22×1.5×1.5 = 22×15/10×15/10 = 22×225/100 = 4950/100 = 49.5 𝑚^3 Since we need to find the quantity in litres, ∴ Converting 49.5 𝑚^3 into litres Since 1 m3 = 1000 liters 49.5 m3 = 49.5 × 1000 liters = 49500 liters ∴ 49500 Litres of milk can be stored in the tank.

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