Jawabanmu

  • nald
  • Gemar Membantu
2014-06-06T19:46:31+07:00
R = 5
d = 10
K = 3,14 x 10 = 31,4
Busur : 45/360 x 31,4 = 1/8 x 31,4 = 3,92 cm