问题:
如图,弧BC与弧AD的度数相等,弦AB与弦CD交于点E,∠CEB=80°,则∠CAB等于
A.30°
B.40°
C.45°
D.60°
如图,弧BC与弧AD的度数相等,弦AB与弦CD交于点E,∠CEB=80°,则∠CAB等于
A.30°
B.40°
C.45°
D.60°
A.30°
B.40°
C.45°
D.60°
参考答案: