Question

I need help?!?!
I think it’s 9 ??!!

Answer 1

9

Explanation:

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

Answer 2

C. 14

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Explanation:

i think i searched