Answer:
C. 14
iedujdd
Step-by-step explanation:
i think i searched
9
Triangle DCE and ACD are similar (they share the angle at A, and since DE║CB, ∠D=∠C and ∠E=∠B (corresponding angles))
That means the side lengths are in ratio:
12/(8+12)=?/(6+?)
0.6(6+?)=?
3.6+0.6?=?
0.4?=3.6
?=9
