2b+80°=180°
2b=180°-80°
2b=100°
b=100°:2
b=50°
Semoga membantu
b=100/2
Jadi nilai b yaitu 50°
Semoga membantu:)
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2b+80°=180°
2b=180°-80°
2b=100°
b=100°:2
b=50°
Semoga membantu
2b+80°=180°
2b=180°-80°
2b=100°
b=100/2
b=50°
Jadi nilai b yaitu 50°
Semoga membantu:)