本课配套习题挑战模式1/5

返回课程
单选题
难度系数:

1.如图,△ACB≌△A′CB′,∠BCB′=30°,则∠ACA′的度数为(  )
A: 20°
B: 30°
C: 35°
D: 40°
  • 提示1IOacrOmimOagueaNruWFqOetieS4ieinkuW9oueahOaAp+i0qOW5tuaJvua4heWFqOetieS4ieinkuW9oueahOWvueW6lOinkuWNs+WPry4=