Cuboid aquarium

Cuboid 25 times 30 cm. How long is third side if cuboid contains 30 liters of water?


x =  40 cm


x=Vab=1000302530=40  cm x = \dfrac{V}{ab} = \dfrac{ 1000 \cdot 30}{ 25 \cdot 30 } = 40 \ \text{ cm }



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