Finding the Value of x using Supplementary Angles

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Taught by mrbrianmclogan
  • Currently 4.0/5 Stars.
7431 views | 1 rating
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Lesson Summary:

In this lesson, we learn how to find the value of x using supplementary angles. We start by understanding the relationship between vertical angles and how they are equal to each other. Then, we use the fact that a straight line is 180 degrees to represent the two angles as 2x and 4x plus 108. We then solve for x by adding the two angles together and setting them equal to 180. Finally, we simplify and solve for x, which gives us the value of x as 12.

Lesson Description:

Finding the value of x using supplementary angles

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Questions answered by this video:
  • If I am given the measure of 2 supplementary angles in terms of a variable, then how do I solve for the variable?
  • If the measures of 2 supplementary angles are 2x degrees and 4x+10 degrees, then what does x equal?
  • What are supplementary angles?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson shows how to solve for a variable when you are given the measures of 2 supplementary angles in terms of the variable.