In the given figure, ABC is a triangle in which BC is produced to D. If ∠A : ∠B : ∠C = 3 : 2 : 1, and AC ⊥ CE, then find ∠ECD.
A30°
B45°
C60°
D72°
In the given figure, ABC is a triangle in which BC is produced to D. If ∠A : ∠B : ∠C = 3 : 2 : 1, and AC ⊥ CE, then find ∠ECD.
A30°
B45°
C60°
D72°