Answer :

Answer:

uploaded in the attachment

Step-by-step explanation:

  • if u see the diagram, there are 2 triangles in it ABC and ABD.
  • the common side for these pair of triangles is AB.
  • common angle is angle BAC.
  • therefore, these triangles share a common side AB and a common angle BAC.

${teks-lihat-gambar} brown78

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