已知两条直线[img=194x23]180344053960dcf.png[/img],其中[img=46x20]1803440541b6f3f.png[/img],当这两条直线的夹角在[img=56x39]180344054974094.png[/img]内变动时,a的取值范围是()
A: [img=42x29]180344055299a22.png[/img]
B: [img=78x48]180344055c528bf.png[/img]
C: [img=139x48]1803440566a70b1.png[/img]
D: [img=58x30]1803440570b3132.png[/img]
A: [img=42x29]180344055299a22.png[/img]
B: [img=78x48]180344055c528bf.png[/img]
C: [img=139x48]1803440566a70b1.png[/img]
D: [img=58x30]1803440570b3132.png[/img]
举一反三
- 已知两条直线[img=194x23]180344053960dcf.png[/img],其中[img=46x20]1803440541b6f3f.png[/img],当这两条直线的夹角在[img=56x39]180344054974094.png[/img]内变动时,a的取值范围是() 未知类型:{'options': ['', '', '', ''], 'type': 102}
- 已知两条直线[img=194x23]1803782d8c78d97.png[/img],其中[img=46x20]1803782d95ba2c4.png[/img],当这两条直线的夹角在[img=56x39]1803782d9f3529b.png[/img]内变动时,a的取值范围是() A: [img=42x29]1803782da78bb1a.png[/img] B: [img=78x48]1803782db1599da.png[/img] C: [img=139x48]1803782dba4d713.png[/img] D: [img=58x30]1803782dc37e45d.png[/img]
- 已知两条直线[img=194x23]1803dc6551d82d7.png[/img],其中[img=46x20]1803dc655b25d49.png[/img],当这两条直线的夹角在[img=56x39]1803dc6562b2deb.png[/img]内变动时,a的取值范围是( ) A: [img=42x29]1803dc656ba967a.png[/img] B: [img=78x48]1803dc6574c89c4.png[/img] C: [img=139x48]1803dc657dab4a0.png[/img] D: [img=58x30]1803dc6586e370c.png[/img]
- 已知两条直线[img=70x23]1803dc5e1061f45.png[/img],[img=111x23]1803dc5e19d8c16.png[/img],其中[img=46x20]1803dc5e22d1a63.png[/img],当这两条直线的夹角在(0,[img=18x39]1803dc5e2b7cf06.png[/img])内变动时,[img=10x14]1803dc5e3549384.png[/img]的取值范围是( ) A: [img=42x29]1803dc5e3f32035.png[/img] B: [img=78x48]1803dc5e4800914.png[/img] C: [img=139x48]1803dc5e5047c7a.png[/img] D: [img=58x30]1803dc5e5a8142d.png[/img]
- 已知两条直线[img=70x23]18034401d28488f.png[/img],[img=111x23]18034401db2118a.png[/img],其中[img=46x20]18034401e4d0584.png[/img],当这两条直线的夹角在[img=48x39]18034401ecd2377.png[/img]内变动时,[img=10x14]18034401f64458e.png[/img]的取值范围是( ) A: [img=42x29]18034401fe88e38.png[/img] B: [img=78x48]1803440206edefe.png[/img] C: [img=139x48]180344021045bcb.png[/img] D: [img=58x30]18034402193dd6f.png[/img]