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Area, SM-Bank 114

Calculate the area of the following shape, giving your answer correct to 1 decimal place.  (2 marks)

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\(84.8\ \text{m}^2\ (1\ \text{d.p.})\)

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\(\text{Diameter}=12\ \text{m}\)

\(\therefore\ \text{Radius}=6\ \text{m}\)

\(\text{Area}\) \(=\dfrac{3}{4}\times\pi r^2\)
  \(=\dfrac{3}{4}\times\pi\times 6^2\)
  \(=84.8230\dots\)
  \(\approx 84.8\ \text{m}^2\ (1\ \text{d.p.})\)