SOLUTION: what is the base angle of an isosceles triangle if the vertex is 20 degrees?

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Question 550014: what is the base angle of an isosceles triangle if the vertex is 20 degrees?
Answer by jim_thompson5910(35256) About Me  (Show Source):
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If the vertex angle is 20 degrees, then the base angles are %28180-20%29%2F2+=+160%2F2+=+80 degrees each