Answer:
mBC = 155°
Step-by-step explanation:
~ It would be that measure of arc BC is, in other words, m∠ BPC, respectively arc AD being ⇒ m∠ APD ~
By Vertical Angles Theorem ⇒
m∠ BPC = m∠ APD ⇒ provided AC and BD are diameters,
m∠ BPC = 155° ⇒ knowing mBC is, in other terms m∠ BPC,
mBC = 155°
