本课配套习题挑战模式1/5
单选题
难度系数:
1.如图,直线l1∥l2被直线l3所截,∠1=∠2=35°,∠P=90°,则∠3=( )度.
A: 35 |
B: 55 |
C: 60 |
D: 70 |
一次做对,真牛!
+5奖励规则>
- 提示1:5YWI5qC55o2u5bmz6KGM57q/55qE5oCn6LSo5rGC5Ye64oigQ0FC55qE5bqm5pWw
- 提示2:5YaN55Sx55u06KeS5LiJ6KeS5b2i55qE5oCn6LSo5rGC5Ye64oigUEFC55qE5bqm5pWw77yM5pWF5Y+v5b6X5Ye657uT6K66
- 答案:Qg==
6Kej77ya4oi155u057q/bDxzdWI+MTwvc3ViPuKIpWw8c3ViPjI8L3N1Yj7ooqvnm7Tnur9sPHN1Yj4zPC9zdWI+5omA5oiq77yMPGJyPuKItOKIoENBQj0xODDCsC3iiKAxLeKIoDI9MTgwwrAtMzXCsC0zNcKwPTExMMKw77yMPGJyPuKIteKWs0FCUOS4re+8jOKIoDI9MzXCsO+8jOKIoFA9OTDCsO+8jDxicj7iiLTiiKBQQUI9OTDCsC0zNcKwPTU1wrDvvIw8YnI+4oi04oigMz3iiKBDQUIt4oigUEFCPTExMMKwLTU1wrA9NTXCsO+8jjxicj7mlYXpgIlC77yOPGJyPjxpbWcgd2lkdGg9MTk3IGhlaWdodD0xNTAgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9GQS8xRS9yQkFDRkZVX1ZVZUNXMzlSQUFBYVpUckxyVHM5OTcucG5nIj4=
本课配套习题挑战模式2/5
单选题
难度系数:
2.如图,把一块直角三角板的直角顶点放在直尺的一边上,如果∠1=32°,那么∠2的度数是( )
A: 32° |
B: 68° |
C: 58° |
D: 60° |
一次做对,真牛!
+5奖励规则>
- 提示1:5YWI5qC55o2u5LqS5L2Z5Lik6KeS55qE5oCn6LSo5rGC5Ye64oigM+eahOW6puaVsA==
- 提示2:5YaN5qC55o2u5bmz6KGM57q/55qE5oCn6LSo5Y2z5Y+v5b6X5Ye657uT6K6677yO
- 答案:Qw==
6Kej77ya4oi14oigMSviiKAzPTkwwrDvvIziiKAxPTMywrDvvIw8YnI+4oi04oigMz05MMKwLeKIoDE9NTjCsO+8jDxicj7iiLXnm7TlsLrnmoTkuKTovrnkupLnm7jlubPooYzvvIw8YnI+4oi04oigMz3iiKAyPTU4wrA8YnI+5pWF6YCJQ++8jjxicj48aW1nIHdpZHRoPTE1NSBoZWlnaHQ9MTQ3IHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNkQvRTUvckJBQ0psVV9WVXZoU1NQbUFBQXNfSWdDNkFnMjY1LnBuZyI+
本课配套习题挑战模式3/5
单选题
难度系数:
3.如图,已知AB∥CD,直线EF分别交AB,CD于点E,F,FG平分∠EFD交AB于点G,若∠EFD=70°,则∠EGF的度数是( )
A: 55° |
B:45° |
C: 35° |
D: 25° |
一次做对,真牛!
+5奖励规则>
- 提示1:5YWI5qC55o2u6KeS5bmz5YiG57q/55qE5a6a5LmJ5rGC5Ye64oigR0ZE55qE5bqm5pWw77yM5YaN55Sx5bmz6KGM57q/55qE5oCn6LSo5Y2z5Y+v5b6X5Ye657uT6K6677yO
- 答案:Qw==
6Kej77ya4oi1RkflubPliIbiiKBFRkTkuqRBQuS6jueCuUfvvIziiKBFRkQ9NzDCsO+8jDxicj7iiLTiiKBHRkQ9PGltZyB3aWR0aD02IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0EzLzU0L3JCQUNFMVVfVlZDQWQtT3lBQUFCSEM0QUtrNDA1NS5wbmciPuKIoEVGRD08aW1nIHdpZHRoPTYgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQTMvNTQvckJBQ0UxVV9WVkNBZC1PeUFBQUJIQzRBS2s0MDU1LnBuZyI+w5c3MMKwPTM1wrDvvIw8YnI+4oi1QULiiKVDRO+8jDxicj7iiLTiiKBFR0Y94oigR0ZEPTM1wrDvvI48YnI+5pWF6YCJQ++8jg==
本课配套习题挑战模式4/5
单选题
难度系数:
4.如图,直线L1∥L2,△ABC的面积为10,则△DBC的面积( )
A: 大于10 |
B: 小于10 |
C: 等于10 |
D: 不确定 |
一次做对,真牛!
+5奖励规则>
- 提示1:55Sx5LqO5bmz6KGM57q/6Ze055qE6Led56a75aSE5aSE55u4562J77yM6ICM4pazQUJD5ZKM4pazREJD55qEQkPovrnkuIrnmoTpq5jnm7jnrYnvvIzmiYDku6XilrNBQkPlkozilrNEQkPnmoTpnaLnp6/nm7jnrYnvvIzljbPlj6/msYLlh7rnrZTmoYjvvI4=
- 答案:Qw==
6Kej77ya4oi1TDxzdWI+MTwvc3ViPuKIpUw8c3ViPjI8L3N1Yj7vvIw8YnI+4oi0TDxzdWI+MTwvc3ViPu+8jEw8c3ViPjI8L3N1Yj7kuYvpl7TnmoTot53nprvmmK/lm7rlrprnmoTvvIw8YnI+4oi04pazQUJD5ZKM4pazREJD55qEQkPovrnkuIrnmoTpq5jnm7jnrYnvvIw8YnI+4oi04pazQUJD5ZKM4pazREJD55qE6Z2i56ev55u4562J77yMPGJyPuKItOKWs0RCQ+eahOmdouenr+etieS6jjEw77yOPGJyPuaVhemAiUPvvI4=
本课配套习题挑战模式5/5
单选题
难度系数:
5.如图所示,直线a∥b,AB⊥a,BC交b于E,∠1=42°,则∠2的度数为( )
A: 180° |
B: 132° |
C: 138° |
D: 无法求出 |
一次做对,真牛!
+5奖励规则>
- 提示1:6L+HQuS9nGHjgIFi55qE5bmz6KGM57q/77yM5Yip55So5bmz6KGM57q/55qE5oCn6LSo5Y2z5Y+v6Kej562U77yO
- 答案:Qg==
6Kej77ya6L+H54K5QuS9nEJG4oilYe+8jOWImUJG4oilYeKIpWLvvJs8YnI+4oi1QkbiiKVh77yMQULiiqVh77yMPGJyPuKItM6xPTkwwrDvvJs8YnI+4oi1QkbiiKVi77yMPGJyPuKItM6yPeKIoDE9NDLCsO+8jDxicj7iiLTiiKAyPc6xK86yPTkwwrArNDLCsD0xMzLCsO+8jjxicj7mlYXpgIlC77yOPGJyPjxpbWcgd2lkdGg9MTE5IGhlaWdodD0xMDkgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BMy81NC9yQkFDRTFVX1ZWaWhWTEkxQUFBT0pKZVNPNGs4NDMucG5nIiA+