Jawabanmu

2014-04-19T18:59:38+07:00
Jadi 48:4=12 ★★★ jadi sm= 10 """ 1/2 . a.t = 1/2. 12. 10=60 """60.4 =240 terus luas persegi = 12.12 = 144 jadi luas total = 240+144=384 cm2
2014-04-19T19:02:02+07:00
48:4 = 12
12.12 = 144
jadi luas total = 12 + 144
= 156cm2