求直线EF与平面四边形ABCD的交点，并判别可见性，请选择正确的答案。[img=785x705]180358f38927ed3.jpg[/img]
A: [img=785x698]180358f3982cf32.jpg[/img]
B: [img=774x698]180358f3a8780dc.jpg[/img]
C: [img=785x711]180358f3b71c34c.jpg[/img]
D: [img=785x705]180358f3c62d532.jpg[/img]
A: [img=785x698]180358f3982cf32.jpg[/img]
B: [img=774x698]180358f3a8780dc.jpg[/img]
C: [img=785x711]180358f3b71c34c.jpg[/img]
D: [img=785x705]180358f3c62d532.jpg[/img]
举一反三
- 求直线EF与平面四边形ABCD的交点，并判别可见性，请选择正确的答案。[img=785x705]1803b88512460ba.jpg[/img] A: [img=785x698]1803b885227d2c7.jpg[/img] B: [img=774x698]1803b88530ce1c8.jpg[/img] C: [img=785x711]1803b8854010e8e.jpg[/img] D: [img=785x705]1803b8855116e86.jpg[/img]
- 求直线EF与平面四边形ABCD的交点，并判别可见性，请选择正确的答案。[img=785x705]18038f03376983c.jpg[/img] A: [img=785x698]18038f034716ea3.jpg[/img] B: [img=774x698]18038f03586384c.jpg[/img] C: [img=785x711]18038f03691d4db.jpg[/img] D: [img=785x705]18038f037b6318e.jpg[/img]
- 求直线EF与平面四边形ABCD的交点，并判别可见性，请选择正确的答案。[img=785x705]1802f93d096095a.jpg[/img] A: [img=785x698]1802f93d1a2b9e2.jpg[/img] B: [img=774x698]1802f93d2a92429.jpg[/img] C: [img=785x711]1802f93d39b131f.jpg[/img] D: [img=785x705]1802f93d495b700.jpg[/img]
- 求直线EF与平面四边形ABCD的交点，并判别可见性，请选择正确的答案。[img=785x705]18039b5ad96073b.jpg[/img] A: [img=785x698]18039b5ae957638.jpg[/img] B: [img=774x698]18039b5af8995fb.jpg[/img] C: [img=785x711]18039b5b07b5df9.jpg[/img] D: [img=785x705]18039b5b189ffa8.jpg[/img]
- 求直线EF与平面四边形ABCD的交点，并判别可见性，请选择正确的答案。[img=785x705]180378ed5d7bb4e.jpg[/img] A: [img=785x698]180378ed6dd7f47.jpg[/img] B: [img=774x698]180378ed800a2d6.jpg[/img] C: [img=785x711]180378ed91d9af9.jpg[/img] D: [img=785x705]180378eda41f4ab.jpg[/img]