Matematika

Pertanyaan

No. 8 yaaaa. Pake caranya!!!
No. 8 yaaaa. Pake caranya!!!

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2 Jawaban

  • 3x = 60°
    x = 60° : 3
    x = 20°

    60° + 4y = 180°
    4y = 180° - 60°
    4y = 120°
    y = 120° : 4
    y = 30°

    (B) x = 20°, y = 30°

  • 3x = 60°
    x = 60° : 3
    x = 20°

    60° + 4y = 180°
    4y = 180° - 60°
    4y = 120°
    y = 120° : 4
    y = 30°
     x = 20°, y = 30°

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