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1-2 Points, Lines, Rays, Segments & Planes

Autor:Ann Foster, Jason Wofsey, Maria Green
What are points, Lines, Rays, Segments & Planes and how do we name them?
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#1

a. Give two other names for line ST and plane R. b. Name 3 points that are collinear. c. Name 3 points that are coplanar Example format for answering: a. Line QP

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d. Give another name for segment GH. How can you tell if I am referring to line GH or segment GH and how are they different? e. Name all rays with endpoint J. How can you tell a ray from a line, or a segment? Which rays are opposite rays?

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Find where lines and planes intersect and name them!

#2

Out of all the geometric elements you learned about today, which one or ones are measureable (select all that apply)?

Marca todas las que correspondan
  • A
  • B
  • C
  • D
  • E
Revisa tu respuesta (3)

#3

What kinds of units could you measure them in (select all that apply)?

Marca todas las que correspondan
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
Revisa tu respuesta (3)

#4 Directions for Geogebra Activity Below ( you can always undo and redo by using the arrows in Geogebra)

a. Create a point named after the letter first letter of your last name b. Create line AB c. Create line CD that intersects line AB at point Z d. Create a ray using the initials of your first and last name in order e. Create a segment with those same initials and measure it f. Create ray HI g. Create ray IH h. Create a segment 10 units long

Geogebra Applet for #4 (play around and use the undo arrow if you do not like something)

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#5

#5

Using GeoGebra applet to show work for #5

#6

What is the difference between a plane and a coordinate plane?

#7

#7

Example format for typing in answers: a. The length of DF is 100 units long because I added lengths 45 + 55 to get 100.

#8

#8

Please make sure to show your work for how you found the length of IK.

#9

Points A, B and C are collinear. Point B is between A and C. Find the AC given: AB = 16 and BC = 12. Please show your work (drawing a diagram helps)!!

#10

#10

Find x in the above diagram and show your work in the question box.

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Draw diagrams to help you answer the above two problems and be sure to show work.

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