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Relative position between lines and planes School of Mechanical Engineering of DUT
(2) (1) 5-1-5(3.4) (1.2) 5-1-4(3.4) (1.2)
Multi-solutions （1）（1） Construct a line parallel with the given plane through point A. Multi-solutions （2）（2） 中途按 ESC 退出
5-1-2 Construct a plane parallel with line DE,which contains line BC, and construct a H-perpendicular plane parallel with line DE through point A. 中途按 ESC 退出
5-1-3 Construct a plane parallel with the given plane through point A. requirements: (1)with a triangle;(2)with two intersection lines. （1）（1）（2）（2） 中途按 ESC 退出
（1）（1）（2）（2） 5-1-4(1)(2) Find the piercing point K between given plane and line, and ascertain visibility for questions (1),(2), and (4). 中途按 ESC 退出
5-1-4(3)(4) Find the piercing point K between given plane and line, and ascertain visibility for questions (1),(2), and (4). （4）（4） （3）（3） 中途按 ESC 退出
5-1-5(1)(2) Find the intersecting line MN between two given planes, and ascertain visibility for them. 中途按 ESC 退出
` 5-1-5(3)(4) Find the intersecting line MN between two given planes, and ascertain visibility for them. 中途按 ESC 退出
5-2-1 Find the intersection point K between given line and plane, then ascertain visibility of them. 中途按 ESC 退出
5-2-2 Find the intersection point K between given line and plane, then determine visibility. Please discover as many methods as possible to solve the problem. 中途按 ESC 退出
5-2-3(1) Find the intersection point K between given line and plane, then ascertain visibility of question (1). （1）（1） 中途按 ESC 退出
5-2-3(2) Find the intersection point K between given line and plane, then ascertain visibility of question (1). （2）（2） 中途按 ESC 退出
(1) Find a normal line for the given plane through point N, and locate the orthogonal intersection point S. 中途按 ESC 退出
5-2-5 Find point trajectory which has equal distance from point A and B. 中途按 ESC 退出
5-3-1 Find a normal line for the parallelogram KLMN through point A. 中途按 ESC 退出
答： No Determine if the two given planes are perpendicular or not through drawing. 中途按 ESC 退出
（1）（1）（2）（2） Construct a plane P (with a trace line) perpendicular to line segment AB through point A. 中途按 ESC 退出
（1）（1）（2）（2） Construct a plane perpendicular to triangle DEF, which contains line AB. 中途按 ESC 退出
5-3-5 Construct a line KL through point K, which is parallel with triangle ABC and H-perpendicular plane P. 中途按 ESC 退出
5-3-6 Construct a plane through point K and perpendicular to both triangle ABC and V-perpendicular P. 中途按 ESC 退出
5-3-7 Given EFG is perpendicular to ABC, Complete the horizontal projection of EFG. 中途按 ESC 退出
5-3-8 Construct a plane passing through point K, make it perpendicular to CDE and parallel with line AD. 中途按 ESC 退出
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