Matematika

Pertanyaan

no 9,10 pake cara mat
no 9,10 pake cara mat

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1 Jawaban

  • 9.RS / TU = ST / x
    4 / 12 = 6 / x
    1 / 3 = 6 / x
    x = 6 × 3 = 18 ( jawaban : C )

    10. 3x + 7° + 5x - 42°= 2x + 24° + 4x - 25°
    8x - 35° = 6x - 1°
    2x = 34°
    x = 17°

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