If two angles in a triangle are 40 degrees and 60 degrees, what is the measure of the third angle?
If two angles of a triangle measure 53 degrees and 68 degrees, what is the measure of the third angle?
If one angle of an isosceles triangle is 15 degrees less than one of the equal angles, what are the measures of the three angles?
Why do angles in a triangle add up to 180 degrees?
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This lesson takes what you know about angles and finding values of variables in angles, and uses these ideas to find the measures of angles in a triangle. A few different problems are shown, and the angle measures are found for these triangles.