Finding an Angle from an Equation

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Taught by mrbrianmclogan
  • Currently 4.0/5 Stars.
4941 views | 1 rating
Part of video series
Meets NCTM Standards:
Lesson Summary:

In this lesson, students learn how to find the measure of an angle using complementary angles. They are given two angles and are required to find their sum, which is equal to 90 degrees. By adding and simplifying the given equations, students can then find the value of x. After finding x, students plug it into both angles to get their respective degrees. Understanding complementary angles is essential in solving this problem.

Lesson Description:

Finding the value of x using complementary angles

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Questions answered by this video:
  • What are complementary angles?
  • If I am given the measurements of two complementary angles in terms of x, then how can I find the angle measurements?
  • The measurements of two complementary angles are (7x+17) degrees and (3x-20) degrees. What are the measurements of the angles?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson shows how to find the measures of 2 angles when you are given the measures of the angles in terms of x, and you know the angles are complementary.