Jawab:
Nilai y = 25
Penjelasan dengan langkah-langkah:
2y + (180° - (5y - 5)°) = 360° - 250°
2y + (180° - 5y + 5) = 110°
2y + 180 - 5y + 5 = 110°
-3y + 185° = 110°
185 - 110° = 3y
75 = 3y
y = 75 : 3
y = 25
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Jawab:
Nilai y = 25
Penjelasan dengan langkah-langkah:
2y + (180° - (5y - 5)°) = 360° - 250°
2y + (180° - 5y + 5) = 110°
2y + 180 - 5y + 5 = 110°
-3y + 185° = 110°
185 - 110° = 3y
75 = 3y
y = 75 : 3
y = 25