H. Geometry
Name___________________________
Practice Intro- Definitions
Date___________ Period__________
1. What best describes San Diego, California on a globe: point, line, or plane?
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2. Use the picture below to answer these questions.
a. List another way to label Plane J.
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b. List another way to label line h.
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c. Are K and F collinear?
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d. Are E,B and F coplanar?
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3. What best describes a straight road that begins in one city and stops in a second city:
ray, line, segment, or plane?
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4. Answer the following questions about the picture.
a. Is line l coplanar with Plane V, Plane W, both, or neither?
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b. Are R and Q collinear?
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c. What point belongs to neither Plane V nor Plane W?
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d. List three points in Plane W.
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5. Draw and label a figure matching the following description: Line AB and ray CD intersect
at point C. Then, redraw so that the figure looks different but is still true to the
description.
For questions 6-10, draw and label a figure to fit the descriptions.
6. Ray CD intersecting segment AB and Plane P containing segment AB but not ray CD .
7. Three collinear points A,B, and C. B is also collinear with points D and E.
8. Ray XY , ray XZ , and ray XW , such that ray XY and ray XZ are coplanar, but ray XW is
non-coplanar with both of the other rays.
9. Two intersecting planes, P and Q, with segment GH, where G is in plane P and H is in plane Q.
10. Four non-collinear points I,J,K,and L, with line segments connecting all points to each
other.
11.
Name this line in five ways.
12.
Name the geometric figure in three different ways.
13.
Name the geometric figure in two different ways.
14. What is the best possible geometric model for a soccer field? Explain your answer.
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15. List two examples of where you see rays in real life.
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16. What type of geometric object is the intersection of a line and a plane? Draw your
answer.
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17. What is the difference between a postulate and a theorem?
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For 18-21, use geometric notation to explain each picture in as much detail as possible.
18.
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21.
For 22-25, determine if the following statements are true or false.
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29.
______Any two points are collinear.
______Any three points determine a plane.
______A line is two rays with a common endpoint.
______A line segment is infinitely many points between two endpoints.
______A point takes up space.
______A line is one-dimensional.
______Any four points are coplanar.
______Ray AB could be read “ray AB” or “ray BA.”
______Line AB could be read “line AB” or “line BA.”