## Solving for angle measures in a quadrilateral

Solving for angle measures in a quadrilateral
• Currently 4.0/5 Stars.
6661 views, 1 rating - 00:06:01
Part of video series Solving for Angle Measures
Taught by mrbrianmclogan

### Meets NCTM Standards:

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In this lesson, I show how to solve for x and y in angle measure expressions within a quadrilateral.
• How do you find the measures of the angles in a quadrilateral?
• What angle measure do all of the angles in a quadrilateral add to?
• If four angle measures in a quadrilateral are 96, 94, 2x, and 3y + 44, what do x and y equal?
• What two angle measures add up to 180 degrees in a trapezoid?
• Why do two angles in a trapezoid add up to 180 degrees?
• If 94 + 3y + 44 = 180, what does y equal?
• If 96 + 2x = 180, what does x equal?
This video does a good job of explaining how to figure out angle measures in a trapezoid. There is a small mistake that is corrected in the lesson where an equation is solved to find one of the angle measures. All steps in the process of finding the angle measures are explained.
• Currently 4.0/5 Stars.
Reviewed by MathVids Staff on January 03, 2012.