Jawab:
< BOA = 84°
Penjelasan dengan langkah-langkah:
x+2x+3x-12 =180
6x-12=180
6x = 180+12
=192
x=32
< BOA = 3x-12
=3(32) -12
=96-12
=84°
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Jawab:
< BOA = 84°
Penjelasan dengan langkah-langkah:
x+2x+3x-12 =180
6x-12=180
6x = 180+12
=192
x=32
< BOA = 3x-12
=3(32) -12
=96-12
=84°