Answer:
Step-by-step explanation:
∠ACB and ∠ECD are vertical angles, so ∠ACB = ∠ECD.
∠D = ∠B
∠A = ∠E
△ABC and △EDC are similar because they have the same angles.
3.46 or ..
because you use sin(60) = 3/u
34%
3+3+3+3+3+3+3+35%
Ea and St
