Don't just straight up tell me the answer, tell me how to do it please!
(30 points)

The measure of ∠DCB is 128°.

The measure of ∠ECD is 52°

Step-by-step explanation:

∠ACB + ∠ACE = 180°

(x+11)° + (3x+5)° = 180

⇒ 4x+16 = 180

⇒ 4x = 164

⇒ x = 164/4

x = 41°

∠DCB = ∠ACE ⇒ (3x+5)°

∠DCB = 3(41)+5 = 128°

∠ECD =∠ACB ⇒ (x+11)°

∠ECD = 41+11 = 52°

3 qrs + 3/2 xy hope this : /

step-by-step explanation: