Jawabanmu

2014-07-21T10:32:16+07:00
Karena sebangun

MK/KL = QO/OP
10/12 = QO/18
10.18/12 = QO
15 = QO

Perbandingan
KL/OP
12/18
2:3

^_^
2014-07-21T14:27:07+07:00
Yg b)
L KLM : L OPQ
1/2 . alas . tinggi : 1/2 . alas . tinggi
1/2 . 12 . 8 (dicari pake phytagoras) : 1/2 . 18 . 12 (dicari pake phytagoras)
48 : 108
4 : 9