SOLUTION: if one of the base angles of an isoscles triangle has measure 40, then the vertex angle has measure.

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Question 592577: if one of the base angles of an isoscles triangle has measure 40, then the vertex angle has measure.
Answer by solver91311(24713) About Me  (Show Source):
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If it is an isosceles triangle, then both base angles must be the same measure. Also, the sum of the angles of any triangle is 180.

John

My calculator said it, I believe it, that settles it
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