SOLUTION: Find the measure of one of the exterior angles at the base of an isosceles triangle if one of the angles of the triangle is 50. (There are two answers to this question.)

Question 1174587: Find the measure of one of the exterior angles at the base of an isosceles triangle if one of the angles of the triangle is 50. (There are two answers to this question.)
Answer by ikleyn(52803) (Show Source): You can put this solution on YOUR website!
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If 50°  is the vertex angle between the two congruent sides, then the base angle is half of (180°-50°), i.e. 65°.


In this case the exterior angle measure at the base of the triangle is  180°-65° = 115°.      ANSWER



If 50° is the base angle of the isosceles triangle, then the measure of the exterior angle is 180°-50° = 130°.    ANSWER

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