Coplanar Lines in Geometry: Definition & Overview


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question 1 of 3

Coplanar lines are . . .

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1. What can we say about lines EF and DF?


Which lines are coplanar?

a. Lines AB and EF

b. Lines EF and FG

c. Lines CD and BG

d. Lines FG and CE

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About This Quiz & Worksheet

Coplanar lines are an important concept in geometry, and this quiz/worksheet will help you assess your understanding of what constitutes them as well as how they are studied.

Quiz & Worksheet Goals

In these assessments you'll be tested on definitions and characteristics of:

  • Definition of coplanar lines
  • Examples of coplanar lines

Skills Practiced

This quiz and worksheet allows students to test the following skills:

  • Defining key concepts - ensure that you can accurately define coplanar lines and coplanar
  • Problem solving - use acquired knowledge to solve practice problems involving coplanar lines
  • Information recall - access the knowledge you've gained regarding how to check for coplanar lines

Additional Learning

To learn more about coplanar lines, review the accompanying lesson on Coplanar Lines in Geometry: Definition & Geometry. This lesson covers the following objectives:

  • Define coplanar and coplanar lines
  • Define non-coplanar
  • Understand why coplanar lines must be checked for within a three-dimensional space
  • Understand how to identify coplanar lines