问题:
如图,PA、PB切⊙O于点A、B,点C是⊙O上一点,且∠ACB=70°,则∠P=
A.30°
B.40°
C.50°
D.60°
如图,PA、PB切⊙O于点A、B,点C是⊙O上一点,且∠ACB=70°,则∠P=
A.30°
B.40°
C.50°
D.60°
A.30°
B.40°
C.50°
D.60°
参考答案: