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Trigonometry in Triangle \(ABC\) with Point \(P\) on \(BC\)

Trigonometry in Triangle \(ABC\) with Point \(P\) on \(BC\)

Secondary 2

In \(\Delta ABC\), \(AB=20.4\)cm and \(AC=8.5\)cm. \(P\) lies on \(BC\) such that \(\angle APB=145{}^\circ \). Find

  1. \(\angle BAP\),
  2. the length of \(BP\).

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Answer:(i) \(10.4^\circ\) (ii) \(6.41\text{ cm}\)

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