Jawab:
3x + 30° + 2x = 180°
5x = 180° - 30°
5x = 150°
x =150/5 = 30°
∠POR = (3x + 30°)
= (3(30) + 30°)
= 90 +30
∠POR = 120°
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Jawab:
3x + 30° + 2x = 180°
5x = 180° - 30°
5x = 150°
x =150/5 = 30°
∠POR = (3x + 30°)
= (3(30) + 30°)
= 90 +30
∠POR = 120°