Trigonometry in Triangle \(JKL\) with Point \(C\) on \(JK\)

Trigonometry in Triangle \(JKL\) with Point \(C\) on \(JK\)

Secondary 2

In \(\Delta JKL\), \(JK=17.3\) cm and \(\angle JLK=90{}^\circ \). \(C\) lies on \(KJ\) such that \(LC=7.6\) cm and \(\angle KCL=42{}^\circ \). Find

  1. \(\angle KJL\),
  2. the length of \(CJ\).

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Answer:(i) \(23.3^\circ\) (ii) \(8.29\text{ cm}\)

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