GED Math : Angles and Triangles
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Example Questions
Example Question #255 : Geometry And Graphs
Which of the following can be the measures of the three angles of an isosceles triangle?
By the Isosceles Triangle Theorem, an isosceles triangle - a triangle with at least two sides of equal length - must have at least two angles of equal degree measure. The choice 
Also, the degree measures must total 
The last group is the correct choice.
Example Question #1221 : Ged Math
A triangle has one angle measure of 
For all triangles, the sum of the three angles is equal to 
Example Question #21 : Angles And Triangles
If one angle of an isosceles triangle measures 120, what are the other two angle measures?
First we need to recall that whenever we add up all 3 angles of any given triangle, the sum will always be 
In an isosceles triangle two of the angles are congruent. Since we are told that one of the angles of our triangle is 
We need to subtract 120 from 180 to find the remainder of the triangle which is
Since we are working with an isosceles triangle, we know that the remaining two angles are going to be congruent. To find the degree of the angles we simply divide 60 by 2. Our answer is; both angles are
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