Testing an internal triangle and finding its altitude

Testing an internal triangle and finding its altitude

Secondary 2
4 marks
TGM Original Questions

Triangle \(ABC\) is right-angled at \(B\). Point \(P\) lies on \(AB\), with \(AP=6\) cm, \(PB=9\) cm and \(BC=20\) cm.

  1. Determine whether \(APC\) is right-angled.[2]
  2. Find the perpendicular distance from \(P\) to \(AC\).[2]

Solution:

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Answer:(a) No (b) \(4.8\) cm.

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