Fire tank

How deep is the fire tank with the dimensions of the bottom 7m and 12m, when filled with 420 m3 of water?

Correct answer:

h =  5 m

Step-by-step explanation:

a=7 m b=12 m V=420 m3  S=a b=7 12=84 m2  V = S h  h=V/S=420/84=5 m



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