Question on volume of swimming pool

2,665

No calc needed here:

$20\times5\times1.6$ for the cube $= 160$.

$20 \times 5 \times \frac{ 4.4 - 1.6 }2$ for the prism $= 140$ (just take the average of the two heights since the bottom is flat, if it were curved then we get into calc).

Total is $300$.

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Mani
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Mani

Updated on June 13, 2020

Comments

  • Mani
    Mani over 3 years

    Swimming pool is of length 20m, wide 5m and height of the swimming pool increase from the 1.6m to 4.4m.

    What is the volume of swimming pool?

    How I approached: Area of swimming pool = Area of cube + Area of prism

    Area of cube = l * b * h

    So

    Area of cube = 20 * 5 * 1.6 Are of prism = ???

  • JimLohse
    JimLohse almost 9 years
    Thanks for the edit Edward :)