Jawabanmu

2014-01-27T19:16:41+07:00
Caranya :
misal luas 314cm
rumus :
Luas Lingkaran = π x r2
314=3,14 x r2
r2 = 314 : 3,14
r2 = 100
r= 10


2014-01-27T19:20:23+07:00
Luas Lingkaran = π x r2
314=3,14 x r2
r2 = 314 : 3,14
r2 = 100
r= 10