Matematika

Pertanyaan

tolong kakkkkk nomer 35
tolong kakkkkk nomer 35

1 Jawaban

  • d = 14 cm.
    r = 7 cm
    TT = 12 cm.
    TK = 36-12 = 24 cm

    s = √r²+Tk² = √7²+24² = √625 = 25 cm

    Lp = πr(r+2TT) + πrs
    Lp = πr(r + 2TT + s)
    Lp = 22/7 x 7 x ( 7 + 2x12 + 25)
    Lp = 22 x (7+24+25)
    Lp = 22 x 56
    Lp = 1.232 cm²

    jawaban : C