<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />

Perpendicular Lines

Lines that intersect at 90 degree or right angles.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

Perpendicular Lines

This concept teaches students about perpendicular lines.
MEMORY METER
This indicates how strong in your memory this concept is
1
• PLIX

Perpendicular Lines

Perpendicular Lines Interactive
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

Perpendicular Lines Principles

This video gives more detail about the mathematical principles presented in Perpendicular Lines.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

Perpendicular Lines Examples

This video shows how to work step-by-step through one or more of the examples in Perpendicular Lines.
MEMORY METER
This indicates how strong in your memory this concept is
0

Perpendicular Lines Quiz

Ten question quiz. Students give a real world example of perpendicular lines. Identify perpendicular lines, right angles, and non-right angles in diagrams. Students solve for x in a right angle. Students determine if statements are true or false and give justification.
MEMORY METER
This indicates how strong in your memory this concept is
0
• 0
• Critical Thinking

Perpendicular Lines Discussion Questions

A list of student-submitted discussion questions for Perpendicular Lines.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Real World Application

Perpendicular Lines

When playing the violin, why does your bow have to be at a right angle to the strings?
MEMORY METER
This indicates how strong in your memory this concept is
0
• Real World Application

Turning The Tables

Find out how builders and carpenters create perfectly perpendicular lines and square angles in their work.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Study Guide