Question

A water tank is 3m long,2m broad and 1.5m deep. Find it’s capacity.
Please show how is it done too.

Answer 1

Step-by-step explanation:

The volume of the water tank = 3m x 2m x 1m = 6 m^3. When 1000 dm^3 / m^3 is multiplied by 6 m^3 the result is 6000 dm^3. The capacity of the water tank is 6000 liters

Answer 2

Answer:

Here, l = 1.5 m, b = 1.25 m

                 



                 ∵ It is open from the top.

                 ∵ Its surface area = [Lateral surface area] + [Base area]

                 = [2(l + b)h] + [l × b]

                 = [2(1.50 + 1.25)0.65 m2] + [1.50 × 1.25 m2]

                 = [2 × 2.75 × 0.65 m2] + [1.875 m2]

                 = 3.575 m2 + 1.875 m2 = 5.45 m2

                 ∵ The total surface area of the box = 5.45 m2

                 ∴ Area of the sheet required for making the box = 5.45 m2

           (ii) Rate of sheet = Rs. 20 per m2

                 Cost of 5.45 m2 = Rs. 20 × 5.45

                 

                 ⇒ Cost of the required sheet = Rs.109

Step-by-step explanation:

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