Jawabanmu

2014-04-04T05:54:12+07:00
1/f=1/s+1/s'
1/s',=1/f-1/s
1/s'=1/10+1/15
1/s,=3/30+2/30
1/s'=5/30
s'=6 cm
sifat bayangan: Nyata, terbalik, dan diperkecil
1 5 1