配套习题- 平行线的性质 -【青果学院】

挑战习题

1/5单选题

难度：

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

提示1：: 5YWI5qC55o2u5bmz6KGM57q/55qE5oCn6LSo5rGC5Ye64oigQ0FC55qE5bqm5pWw

提示2：: 5YaN55Sx55u06KeS5LiJ6KeS5b2i55qE5oCn6LSo5rGC5Ye64oigUEFC55qE5bqm5pWw77yM5pWF5Y+v5b6X5Ye657uT6K66

正确答案：Qg==

6Kej77ya4oi155u057q/bDxzdWI+MTwvc3ViPuKIpWw8c3ViPjI8L3N1Yj7ooqvnm7Tnur9sPHN1Yj4zPC9zdWI+5omA5oiq77yMPGJyPuKItOKIoENBQj0xODDCsC3iiKAxLeKIoDI9MTgwwrAtMzXCsC0zNcKwPTExMMKw77yMPGJyPuKIteKWs0FCUOS4re+8jOKIoDI9MzXCsO+8jOKIoFA9OTDCsO+8jDxicj7iiLTiiKBQQUI9OTDCsC0zNcKwPTU1wrDvvIw8YnI+4oi04oigMz3iiKBDQUIt4oigUEFCPTExMMKwLTU1wrA9NTXCsO+8jjxicj7mlYXpgIlC77yOPGJyPjxpbWcgd2lkdGg9MTk3IGhlaWdodD0xNTAgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9GQS8xRS9yQkFDRkZVX1ZVZUNXMzlSQUFBYVpUckxyVHM5OTcucG5nIj4=

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2/5单选题

难度：

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°

提示1：: 5YWI5qC55o2u5LqS5L2Z5Lik6KeS55qE5oCn6LSo5rGC5Ye64oigM+eahOW6puaVsA==

提示2：: 5YaN5qC55o2u5bmz6KGM57q/55qE5oCn6LSo5Y2z5Y+v5b6X5Ye657uT6K6677yO

正确答案：Qw==

6Kej77ya4oi14oigMSviiKAzPTkwwrDvvIziiKAxPTMywrDvvIw8YnI+4oi04oigMz05MMKwLeKIoDE9NTjCsO+8jDxicj7iiLXnm7TlsLrnmoTkuKTovrnkupLnm7jlubPooYzvvIw8YnI+4oi04oigMz3iiKAyPTU4wrA8YnI+5pWF6YCJQ++8jjxicj48aW1nIHdpZHRoPTE1NSBoZWlnaHQ9MTQ3IHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNkQvRTUvckJBQ0psVV9WVXZoU1NQbUFBQXNfSWdDNkFnMjY1LnBuZyI+

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3/5单选题

难度：

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°

提示1：: 5YWI5qC55o2u6KeS5bmz5YiG57q/55qE5a6a5LmJ5rGC5Ye64oigR0ZE55qE5bqm5pWw77yM5YaN55Sx5bmz6KGM57q/55qE5oCn6LSo5Y2z5Y+v5b6X5Ye657uT6K6677yO

正确答案：Qw==

6Kej77ya4oi1RkflubPliIbiiKBFRkTkuqRBQuS6jueCuUfvvIziiKBFRkQ9NzDCsO+8jDxicj7iiLTiiKBHRkQ9PGltZyB3aWR0aD02IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0EzLzU0L3JCQUNFMVVfVlZDQWQtT3lBQUFCSEM0QUtrNDA1NS5wbmciPuKIoEVGRD08aW1nIHdpZHRoPTYgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQTMvNTQvckJBQ0UxVV9WVkNBZC1PeUFBQUJIQzRBS2s0MDU1LnBuZyI+w5c3MMKwPTM1wrDvvIw8YnI+4oi1QULiiKVDRO+8jDxicj7iiLTiiKBFR0Y94oigR0ZEPTM1wrDvvI48YnI+5pWF6YCJQ++8jg==

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4/5单选题

难度：

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

提示1：: 55Sx5LqO5bmz6KGM57q/6Ze055qE6Led56a75aSE5aSE55u4562J77yM6ICM4pazQUJD5ZKM4pazREJD55qEQkPovrnkuIrnmoTpq5jnm7jnrYnvvIzmiYDku6XilrNBQkPlkozilrNEQkPnmoTpnaLnp6/nm7jnrYnvvIzljbPlj6/msYLlh7rnrZTmoYjvvI4=

正确答案：Qw==

6Kej77ya4oi1TDxzdWI+MTwvc3ViPuKIpUw8c3ViPjI8L3N1Yj7vvIw8YnI+4oi0TDxzdWI+MTwvc3ViPu+8jEw8c3ViPjI8L3N1Yj7kuYvpl7TnmoTot53nprvmmK/lm7rlrprnmoTvvIw8YnI+4oi04pazQUJD5ZKM4pazREJD55qEQkPovrnkuIrnmoTpq5jnm7jnrYnvvIw8YnI+4oi04pazQUJD5ZKM4pazREJD55qE6Z2i56ev55u4562J77yMPGJyPuKItOKWs0RCQ+eahOmdouenr+etieS6jjEw77yOPGJyPuaVhemAiUPvvI4=

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5/5单选题

难度：

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

提示1：: 6L+HQuS9nGHjgIFi55qE5bmz6KGM57q/77yM5Yip55So5bmz6KGM57q/55qE5oCn6LSo5Y2z5Y+v6Kej562U77yO

正确答案：Qg==

6Kej77ya6L+H54K5QuS9nEJG4oilYe+8jOWImUJG4oilYeKIpWLvvJs8YnI+4oi1QkbiiKVh77yMQULiiqVh77yMPGJyPuKItM6xPTkwwrDvvJs8YnI+4oi1QkbiiKVi77yMPGJyPuKItM6yPeKIoDE9NDLCsO+8jDxicj7iiLTiiKAyPc6xK86yPTkwwrArNDLCsD0xMzLCsO+8jjxicj7mlYXpgIlC77yOPGJyPjxpbWcgd2lkdGg9MTE5IGhlaWdodD0xMDkgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9BMy81NC9yQkFDRTFVX1ZWaWhWTEkxQUFBT0pKZVNPNGs4NDMucG5nIiA+

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