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Area, SM-Bank 143

Calculate the area of the following rhombus. All measurements are in millimetres.   (2 marks)

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\(24\ \text{mm}^2\)

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\(\text{Length of diagonal 1:}\ x=2\times 3=6\ \text{mm}\)

\(\text{Length of diagonal 2:}\ y=2\times 4=8\ \text{mm}\)

\(\text{Area of rhombus}\) \(=\dfrac{1}{2}xy\)
  \(=\dfrac{1}{2}\times 6\times 8\)
  \(=24\ \text{mm}^2\)