1 Habit for Women Action Takers: Life Changing Habits from the Happiest Achieving Women on

1 Habit for Women Action Takers: Life Changing Habits from the Happiest Achieving Women on

Ujian Nasional Tentukan besar <A

bantu ya kak​

Tentukan besar <A

bantu ya kak​

Diketahui:

  • ∠C = 30°
  • ∠ B = siku-siku = 90°

Ditanya:

  • ∠A = ___?

Jawab:

∠A = 180° – (∠B + ∠C)

ㅤㅤ= 180° – (90° + 30°)

ㅤㅤ= 180° – 120°

ㅤㅤ= 60°

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