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Volume, SM-Bank 054

The prism below has a height of 100 metres.

Given its volume is 485 cubic metres, calculate the cross-sectional area, \((A)\), of the prism.  (2 marks)
 

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\(4.85\ \text{m}^2\)

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\(V=485\ \text{m}^3\ \text{and }h=100\ \text{m}\)

\(V\) \(=Ah\)
\(485\) \(=100A\)
\(A\) \(=\dfrac{485}{100}\)
\(A\) \(=4.85\ \text{m}^2\)