Question

Tolong ini gimana caranya besok kumpul

Answer 1

Jawaban:

b.2x+120°=60°

2x=120°-60°

2x=60°

x=60°/2

x=30°

x+20°=550°

x=550°-20°

x=530°

2y+30°=90°

2y=90°-30°

2y=60°

y=60°/2

y=30°

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