Answer:
Step-by-step explanation:
a.
∠DEC = 90°
Therefore, I do not know what's next
b. ∠ACB = 58°
∠CEB = 90°
[tex]\frac{64}{2}[/tex] to get ∠EBC
∠EBC + ∠CEB = 32 + 90 = 122
180-122 = 58
