# Maths

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a flat rectangualar roof is 20m long and 12m wide. All rain falling on the roof drains into a closed cylindrical water tank. If 1cm of rain falls on the roof find
a)how many litres of water drain into the tank

• Maths -

So you want the volume of a "box" which is
20 m by 12 m by 1 cm
or
2000 cm by 1200 cm by 1 cm
= ...... cm^3

and if 1 L = 1000 cm^3 ...... ?????

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