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Area, SM-Bank 106

Calculate the area of the following circle, correct to one decimal place.   (2 marks)
 

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\(50.3\ \text{m}^2\ (1\ \text{d.p.})\)

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\(\text{Area}\) \(=\pi r^2\)
  \(=\pi\times 4^2\)
  \(=50.2654\dots\)
  \(\approx 50.3\ \text{m}^2\ (1\ \text{d.p.})\)