Matematika

Pertanyaan

jawab yg no.1 a,b, dan c. teramakasih.
jawab yg no.1 a,b, dan c. teramakasih.

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2 Jawaban

  • 1) a. 4x + 2x = 90
    6x = 90
    x=90/6
    x= 15

    b.2x + 3x = 90
    5x = 90
    x = 90/5
    x= 18

    c.x + 2x = 180
    3x = 180
    x = 180/3
    x = 60

  • 1.a. 4x°+2x°=90°
    6x°=90°
    x=90°/6
    x=15
    b. 2x°+3x°+90°=180°
    5x°+90°=180°
    5x°=180°-90°
    5x°=90°
    x=90/5
    x=18°
    Semoga membantu

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