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1. Two lines never intersect. What can we conclude about them?→They are parallel and not skew
2. Any three points are…→coplanar but not necessarily collinear
3. How many coordinates are necessary to specify a point on a plane?𔾷
4. When two planes intersect in three-dimensional space, which of the following is formed?→A line
5. How many lines can a single plane contain?𔾴
6. Which of the following points lies on both plane  and plane ?


7. Which of the following points are on neither plane  nor on plane ?


8. What is the midpoint of AC?

→(-1, 1)

9. What is the length of AB?


10. The midpoint of AD is B. What are the coordinates of D?

→(-3, -4)

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