SOLUTION: the measure of each base angle of an isosceles 21 more than the measure of the vertex angle. find the measure of each angle of the triangle.

SOLUTION: the measure of each base angle of an isosceles 21 more than the measure of the vertex angle. find the measure of each angle of the triangle.

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Question 388359: the measure of each base angle of an isosceles 21 more than the measure of the vertex angle. find the measure of each angle of the triangle.
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
Let x = vertex angle
x+21 = each base angle

x+x+21+x+21=180
3x+42=180
3x=138
x= 46 degrees vertex angle
x+21 =67 degrees base angles

Dr. Rapalje
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