Matematika

Pertanyaan

tolong a sampai f ... besok di kumpul!!!
tolong a sampai f ... besok di kumpul!!!

2 Jawaban

  • f. (7,2)^2 + (9,6)^2 = c^2
    51,84 + 92,16 = c^2
    144 = c^2
    c = 12

    e. 6^2 + x^2 = 8^2
    36 + x^2 = 64
    x^2 = 28
    x = 2(√7) = 5,29

    d. 9,6^2 + a^2 = 10,4^2
    92,16 + a^2 = 108.16
    a^2 = 16
    a = 4

    c. 5,6^2 + a^2 = 10,6^2
    31,36 + a^2 = 112,36
    a^2 = 81
    a = 9

    b. 5^2 + x^2 = 13^2
    25 + x^2 = 169
    x^2 = 144
    x^2 = 12

    a. 12^2 + 15^2 = x^2
    144 + 225 = x^2
    x^2 = 369
    x = 3 (√41) = 19,21
  • yg b √13^2-5^2
    =√169-25
    =√144
    =12
    yg e √8^2-6^2
    =√64-36
    =√28
    ini gk bsa di akarin
    yg a√15^2+12^2
    =√225+144
    =√369
    ini gk bsa di akarin