Proving Theorems About Perpendicular Lines


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question 1 of 3

If lines l1, l2 and l3 are parallel to each other and line k is perpendicular to l1, what is the measure of angle 2?

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1. Which of the following is true?

2. A pair of lines are perpendicular if they form two _____ linear angles at intersection.

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About This Quiz & Worksheet

This quiz and corresponding worksheet is designed to gauge the depth of your knowledge about theorems relating to perpendicular lines. You must be able to answer true/false and fill-in-the-blank questions as well as solve given problems to be successful on this quiz.

Quiz & Worksheet Goals

If you want to do well on this quiz, you should prepare yourself to:

  • Apply the theorems to solve sample problems
  • Differentiate between true and false statements about perpendicular lines
  • Describe what makes two lines perpendicular

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the lesson, such as what perpendicular lines are
  • Problem solving - use acquired knowledge to solve sample perpendicular line problems
  • Knowledge application - use your knowledge to recognize true/false statements about perpendicular lines

Additional Learning

If you feel that you need to further develop your knowledge of this topic, you can do so by using the lesson titled Proving Theorems About Perpendicular Lines. Facts revealed in this lesson include:

  • Examples of perpendicular lines
  • What the sum of a linear pair of angles is
  • The names of the three theorems proving perpendicular lines