Matematika

Pertanyaan

Diket : K= 154
Tentukan lah
r=?
d=?

2 Jawaban

  • jawab

    K ling = 154

    22/7  d = 154
    d = 154 : 22/7 
    d= 49
    r = 1/2 d = 24,5
  • Keliling lingkaran = 154
    Jari - jari = ....?
    Diameter = ....?

    K = πd
    22/7 . d = 154
    d = 154 : 22/7
    d = 154 x 7/22
    d = 49

    Diameter = 49
    Jari - jari = d/2 = 49/2 = 24,5

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