ini ya kak,, maap kalau salah
itu sudut A nya diluar kann. berarti yg didlm sudut lain
<ACB = 180°-124°= 56°
<ABC = 180°-136°=44°
<BAC = 180°-(56°+44°)
=180°-100°
=80°
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ini ya kak,, maap kalau salah
itu sudut A nya diluar kann. berarti yg didlm sudut lain
<ACB = 180°-124°= 56°
<ABC = 180°-136°=44°
<BAC = 180°-(56°+44°)
=180°-100°
=80°