Triangle Angle Word Problem 3

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
5979 views | 1 rating
Part of video series
Meets NCTM Standards:
Lesson Description:

Sum of angles in a triangle, isosceles triangle, right triangle word problems involving angles in a triangle.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

Questions answered by this video:
  • In a triangle, if one angle is 4 degrees more than the measure of the smallest angle, and the measure of the third angle is twice the measure of the smallest angle, what is the measure of each angle?
  • How do you write and solve an equation to find the measures of angles in a triangle?
  • If expressions for three angles in a triangle are x, x + 4, and 2x, what does x equal, and what is the measure of each angle in the triangle?
  • What is an easy way to solve 4x + 4 = 180?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson does another word problem involving finding measures of angles in a triangle given the relationship between the angles. Each step of drawing the triangle, writing in the variable expressions, writing out and solving the equation, and plugging the value of x in to find the measures of each angle is shown and explained.