Matematika

Pertanyaan

tolong saya! yang bisa jawab soal ini" YOU DA REAL MVP"
tolong saya! yang bisa jawab soal ini YOU DA REAL MVP

2 Jawaban

  • AC / AB = AD / AE
    (10 + x) / (8+4) = 10 / 8
    (10+x) / 12 = 10 / 8
    8 (10 + x) = 12 x 10
    80 + 8x = 120
    8x = 120 - 80
    8x = 40
    x = 40 / 8
    x = 5

    BC / AB = ED / AE
    y / (8+4) = 12 / 8
    y / 12 = 12 / 8
    8y = 12 x 12
    8y = 144
    y = 144 / 8
    y = 18

    maka x = 5 dan y = 18
  • AC = 10 + x
    AD = 10
    AB = 8 + 4 = 12
    AE = 8

    Dit = x.....?

    AC / AB = AD / AE
    (10 + x) / 12 = 10 / 8
    8 (10 + x) = 12 x 10
    80 + 8x = 120
    8x = 120 - 80
    8x = 40
    x = 40 / 8
    x = 5

    dit = y .....?

    y = √ab^2 + ac^2
    y = √12^2 + (10 + x)^2
    y = √144 + (10 + 5)^2
    y = √144 + 15^2
    y = √144 + 225
    y = √269
    y = 17

    #semoga membantu....