Matematika

Pertanyaan

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2 Jawaban

  • sudut PQS + sudut SQR = 180° ➡ karena sudutnya berpelurus.
    (3x-2)+(2x+2) = 180°
    3x+2x = 180+2-2
    5x = 180
    x = 180/5
    x = 36
    maka,
    besar sudut PQS
    = (3x-2)
    = 3(36)-2 ➡ nilai x dimasukkan
    = 108-2
    = 106° ( D )
  • Bab Sudut
    Matematika SMP Kelas VIII

    ∠PQS + ∠SQR = 180°
    3x - 2° + 2x + 2° = 180°
    5x = 180°
    x = 180° : 5
    x = 36°

    ∠PQS = 3x - 2°
    ∠PQS = 3 . 36° - 2°
    ∠PQS = 108° - 2°
    ∠PQS = 106°

    jawabannya D