Jawabanmu

2014-04-26T08:37:55+07:00
20 cm mba
caranya 2-> 5n
            x -> 50n berarti 50 dibagi 5 diokali 2
2014-04-26T08:58:40+07:00
5n = 2cm 50n = x cm x cm = 50 x 2/5 x cm = 20