Use the first diagram to answer questions 1-7.
1. What is another way to name plane N?
⃡ .
2. Name a point that is collinear with 𝐴𝐵
3. What is the intersection of ⃡𝐴𝐸 with plane N?
4. Name 3 collinear points on the diagram.
5. Name 3 points on the diagram that do not describe a plane.
6. How many pairs of collinear points are there on the diagram?
7. What term describes 𝐵𝐴 and 𝐵𝐸 ?
Use the second diagram to answer questions 7-12.
8. What is the intersection of plane P and plane N?
9. Which plane cannot be named with three points on the diagram?
⃡ lie on?
10. Which plane does 𝐵𝐶
11. Which plane does point 𝐷 lie on?
12. Are 𝐴𝐵 and 𝐵𝐴 opposite rays?
Use the third diagram to answer questions 11-16
13. Name two planes that don’t intersect.
̅̅̅̅ .
14. Name a point collinear with 𝐸𝐻
15. Name plane 𝐵𝐻𝐶 in another way.
16. Identify the intersection of plane 𝐴𝐵𝐶 and ⃡𝐹𝐷.
17. Name two lines that are coplanar with plane 𝐼𝐽𝐸.
⃡ coplanar?
18. Are ⃡𝐹𝐸 and 𝐵𝐻
19. Are 𝐸𝐻 and 𝐸𝐹 opposite rays?
Answer each question and give an explanation using a diagram or words.
Diagrams taken from: http://germantownhs.scsk12.org/~lmcnamara/Site/Geometry_files/
Chapter%201%20Studyguides.pdf
20. How many rays can be described given two points?
21. If two lines exist, do they have to intersect at exactly one point?
22. If two planes exist, do they have to intersect at exactly one line?
23. Always, Sometimes, or Never True: Any two points are coplanar.
24. Always, Sometimes, or Never True: Any two points are collinear.
25. Always, Sometimes, or Never True: Any three points are coplanar.
26. Always, Sometimes, or Never True: Any three points are collinear.
27. Always, Sometimes, or Never True: Any two lines are coplanar.
Determine if each idea is best represented by a point, line, line segment, ray, or plane.
28. A wall.
29. The intersection of two walls.
30. A corner of a room.
31. The edge of a table.
32. A street.
33. The path of a beam of light from the sun.
Create another example of each geometric figure:
34. Plane:
35. Line segment:
36. Point:
37. Why is a “ray” considered a defined term and a line is considered an undefined term?