Matematika

Pertanyaan

diketahui keliling lingkaran 220cm.panjang diameter lingkaran tersebut adalah... a.71 b.60 c.70 d.75

2 Jawaban

  • keliling = phi x diameter
    220 = 22/7 x diameter
    220 x 7 = 22 diameter
    1540 = 22 diameter
    diameter = 1540/22
    diameter = 70 cm
  • d = K/π
    d = 220 × 7/22
    d = 10 × 7
    d = 70 cm (C) ✔

Pertanyaan Lainnya