Jawab:
Penjelasan dengan langkah-langkah:
A sehadap dg B
Berarti A= B
Aluar sepihak dg C
A + C = 180
B = C
=> A = B = C
A + A = 180
2A= 180
A = 180/2
A = 90
Jawaban b
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Jawab:
Penjelasan dengan langkah-langkah:
A sehadap dg B
Berarti A= B
Aluar sepihak dg C
A + C = 180
B = C
=> A = B = C
A + C = 180
A + A = 180
2A= 180
A = 180/2
A = 90
Jawaban b