In ΔABC, ∠A = (2x - 5)°, ∠B = (5x + 5)° and ∠C = (3x + 50)°. Side BC is produced to D and CE is the bisector of ∠ACD. The measure of ∠ECD is

1
45°
2
\(45\frac{1}{2}^\circ\)
3
44°
4
\(44\frac{1}{2}^\circ\)

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