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Area, SM-Bank 132

Johan builds a kite with diagonals of 0.7 metres and 1.2 metres as shown below.

Calculate the area of Johan's kite (not including the tail) in square metres.   (2 marks)
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\(0.42\ \text{m}^2\)

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\(A\) \(=\dfrac{1}{2}xy\)
  \(=\dfrac{1}{2}\times 0.7\times 1.2\)
  \(=0.42\ \text{m}^2\)