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Properties of Geometrical Figures, SM-Bank 035

Find the value of \(a^{\circ}\) in the diagram below.   (2 marks)
 

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\(132^{\circ}\)

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\(\text{Since there are 360° in a quadrilateral:}\)

\(360\) \(=a+62+85+81\)  
\(360\) \(=a+228\)  
\(a^{\circ}\) \(=360-228\)  
  \(=132^{\circ}\)