Jika CY:YB=2:3,panjang xy adalah....

Dik :CY : 2
YB : 3
DC : 12
AB : 27
Dit : xy?
Jawab :
XY = DC x YB + AB x CY
----------------------------
CY + YB
= 12.3 + 27.2
----------------
3+2
= 36 + 54
-----------
5
= 90/5 = 18

Semoga membantu ^u^