Penjelasan dengan langkah-langkah:
A)
A = 180° - 110° = 70°
B = 180° - 70° - 78° = 32°
B)
A = 180° - 136° = 44°
B = 180° - 150° = 30°
C = 180° - 44° - 30° = 106°
d = 180° - 106° = 74°
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Penjelasan dengan langkah-langkah:
A)
A = 180° - 110° = 70°
B = 180° - 70° - 78° = 32°
B)
A = 180° - 136° = 44°
B = 180° - 150° = 30°
C = 180° - 44° - 30° = 106°
d = 180° - 106° = 74°