Jawabanmu

2014-08-03T19:14:37+07:00
Gua taunya persamaanya
kalo jawaban gue sih B
kalo slh jgn mrh ya
iya.. cuma mau tau caranya biar mudeng
ooo
PR = US
15 CM = 15 CM

15 CM = TS
15 CM = X2/3 UP
x = 7 cm