Solving Angles Around a Point Using Algebra

Solving Angles Around a Point Using Algebra

Secondary 1

Given \(BOD\) is a straight line, \(\angle AOD=75{}^\circ ,\mathrm{ }\angle AOB=5m{}^\circ ,\mathrm{ }\angle BOC=n{}^\circ \) and \(\angle COD=3m{}^\circ \), find the values of \(m\) and of \(n\), stating your reason clearly.

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Answer:\(m=21,\ n=117\)

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