Answer:
PB=180 degrees
Step-by-step explanation: if im wrong its because im s t u p i d as h e c k
PB = 9
Step-by-step explanation:
a^2 + b^2 = c^2
PC^2 + CZ^2 = PZ^2
CZ = 12
BZ = CZ
PB^2 + BZ ^2 = PZ^2
