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Area, SM-Bank 052

The following shape has a perimeter of 36 metres. Calculate its' area.  (2 marks)

 

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\(81\ \text{m}^2\)

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\(\text{Perimeter}\) \(=36\ \text{m}\)
\(\therefore\ \text{Side}\) \(=\dfrac{36}{4}\)
  \(=9\ \text{m}\)

 

\(\text{Area}\) \(=s^2\)
  \(=9^2\)
  \(=81\ \text{m}^2\)