Jawabanmu

2014-02-09T16:54:53+07:00
Luas lingkaran = πr2
113,04 = 3,14 × r²
r² = 36
r = 6
Jawaban paling cerdas!
2014-02-09T16:55:10+07:00
L= phi. r²
113, 4 cm² = 3,14 r²
r² = 113, 4 cm²/ 3,14
   = 36
r = √36
  = 6 cm