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A rectangular prism-shaped container has a cross-sectional area of 42cm squared. If 1680cm cubed of water is poured into the container, what is the height of the water in it?

Guest Jul 23, 2017
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If we just look at the shape of the water, we see also a rectangular prism....

 

The cross sectional area of this prism is also  42 cm2  .

And...

 

volume of prism  =  (area of cross section) * (height)

                                                                                          Plug in the information from the problem.

1680 cm3  =  (42 cm2) * (height)

                                                                                          Divide both sides by  42 cm2  .

40 cm  =  height

hectictar  Jul 23, 2017

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