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| Math Central | Quandaries & Queries |
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Question from Hailey, a student: An isosceles triangle has one angle that measures 50 degrees and another that measures 70 degrees. Why can't this triangle be drawn? |
Hailey,
In an isosceles triangle two of the angles are congruent.
If the two congruent angles each measure 50 degrees what is the sum of the measures of the angles of the triangle?
If the two congruent angles each measure 70 degrees what is the sum of the measures of the angles of the triangle?
What do you know about the sum of the measures of the angles in a triangle?
Penny
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