Jawabanmu

2014-03-18T18:21:47+07:00
P = 12/15 x 60 = 48 m l = 5/15 x 60 = 20 m semoga membantu
2014-03-18T20:00:41+07:00
L=5:15×60=20 cm
p=12:15×60=48 cm
Jadi l=20 dan p=48