本课配套习题挑战模式1/5
单选题
难度系数:
1.1.如图,△ACB≌△A′CB′,∠BCB′=30°,则∠ACA′的度数为( )
A: 20° |
B: 30° |
C: 35° |
D: 40° |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u5YWo562J5LiJ6KeS5b2i55qE5oCn6LSo5om+5Ye65YWo562J5LiJ6KeS5b2i55qE5a+55bqU6KeS5Y2z5Y+v
- 答案:Qg==
6Kej562U77ya4oi14pazQUNC4omM4pazQeKAskNC4oCy77yMPGJyPuKItOKIoEFDQj3iiKBB4oCyQ0LigLLvvIw8YnI+5Y2z4oigQUNB4oCyK+KIoEHigLJDQj3iiKBC4oCyQ0Ir4oigQeKAskNC77yMPGJyPuKItOKIoEFDQeKAsj3iiKBC4oCyQ0LvvIw8YnI+5Y+I4oigQuKAskNCPTMwwrA8YnI+4oi04oigQUNB4oCyPTMwwrDvvI48YnI+5pWF6YCJ77yaQu+8jg==
本课配套习题挑战模式3/5
单选题
难度系数:
3.4.如图,△ADB≌△ECB,若∠CBD=40°,BD⊥EC,则∠D的度数为
A:30° |
B:45° |
C:50° |
D:40° |
一次做对,真牛!
+5奖励规则>
- 提示1:5LiJ6KeS5b2i5YWo562J5a+55bqU6KeS55u4562J
- 提示2:55u06KeS5LiJ6KeS5b2i5Lik6ZSQ6KeS5LqS5L2Z
- 答案:Qw==
6Kej562U77ya4oi14oigQ0JEPTQwwrDvvIxCROKKpUVD77yMPGJyPuKItOKIoEM9OTDCsC3iiKBDQkQ9OTDCsC00MMKwPTUwwrDvvIw8YnI+4oi14pazQURC4omM4pazRUNC77yMPGJyPuKItOKIoEQ94oigQz01MMKw77yOPGJyPuaVheetlOahiOS4uu+8mkPvvI4=
本课配套习题挑战模式4/5
单选题
难度系数:
4.3.如图,在△ABC中,D、E分别是边AC、BC上的点,若△ADB≌△EDB≌△EDC,则∠C的度数为( )
A: 15° |
B: 20° |
C: 25° |
D: 30° |
一次做对,真牛!
+5奖励规则>
- 提示1:5YWo562J5LiJ6KeS5b2i5a+55bqU6KeS55u4562J
- 提示2:4oigQT3iiKBCRUQ94oigQ0VE77yM4oigQUJEPeKIoEVCRD3iiKBD
- 提示3:4oigQkVEK+KIoENFRD0xODDCsO+8jOWPr+S7peW+l+WIsOKIoEE94oigQkVEPeKIoENFRD05MMKw
- 提示4:5LiJ6KeS5b2i5YaF6KeS5ZKM5Li6MTgwwrA=
- 答案:RA==
6Kej562U77ya4oi14pazQURC4omM4pazRURC4omM4pazRURDPGJyPuKItOKIoEE94oigQkVEPeKIoENFRO+8jOKIoEFCRD3iiKBFQkQ94oigQzxicj7iiLXiiKBCRUQr4oigQ0VEPTE4MMKwPGJyPuKItOKIoEE94oigQkVEPeKIoENFRD05MMKwPGJyPuWcqOKWs0FCQ+S4re+8jOKIoEMrMuKIoEMrOTDCsD0xODDCsDxicj7iiLTiiKBDPTMwwrA8YnI+5pWF6YCJRO+8jg==
本课配套习题挑战模式5/5
单选题
难度系数:
5.5.如图,已知点D在AC上,点B在AE上,△ABC≌△DBE,且∠BDA=∠A,若∠A:∠C=5:3,则∠DBC=( )
A:30° |
B:25° |
C:20° |
D:15° |
一次做对,真牛!
+5奖励规则>
- 提示1:5YWo562J5LiJ6KeS5b2i5a+55bqU6KeS55u4562J
- 提示2:4oigQkRFPeKIoEE94oigQkRB77yM4oigRT3iiKBD
- 提示3:4oigQUJEPeKIoEJERSviiKBF77yM4oigQe+8muKIoEM9Ne+8mjPvvI4=
- 提示4:5Zyo4pazQUJE5Lit5qC55o2u5YaF6KeS5ZKM5a6a55CG5rGC6Kej
- 答案:Qw==
6Kej562U77ya55Sx4pazQUJD4omM4pazREJF77yMPGJyPuKItOKIoEJERT3iiKBBPeKIoEJEQe+8jOKIoEU94oigQ++8jDxicj7iiLXiiKBB77ya4oigQz0177yaM++8jDxicj7iiLTiiKBB77ya4oigQkRB77ya4oigQkRF77ya4oigRT0177yaNe+8mjXvvJoz77yMPGJyPuWPiOKIoEEr4oigQkRBK+KIoEJERSviiKBFPTE4MMKw77yMPGJyPuKItOKIoEM94oigRT0zMMKw77yM4oigQkRFPeKIoEE94oigQkRBPTUwwrDvvIziiKBDREU94oigQSviiKBFPTUwwrArMzDCsD04MMKw77yMPGJyPuKItOKIoERCQz0xODDCsC3iiKBDLeKIoENERS3iiKBCREU9MTgwwrAtMzDCsC04MMKwLTUwwrA9MjDCsO+8jjxicj7mlYXpgIlD77yO