Question

Help please♥♥♥ Geometry Brainly will be given worth 10 pts :) thx ♥

Answer 1

According to the Theorem, 
m∠BCD = 1/2 mBC
m∠BCD = 1/2 * 142
m∠BCD = 71

In short, Your Answer would be 71 degrees

Hope this helps!