SOLUTION: The base angles of an isosceles triangle are congruent. If the measure of each of the base angles is twice the measure of the third angle, find the measure of all three angles.

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Question 896590: The base angles of an isosceles triangle are congruent. If the measure of each of the base angles is twice the measure of the third angle, find the measure of all three angles.
Answer by Alan3354(69443) About Me  (Show Source):
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The base angles of an isosceles triangle are congruent.
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Aren't they always?
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If the measure of each of the base angles is twice the measure of the third angle, find the measure of all three angles.
BA = 2*A3
A3 + 2*A3 + 2*A3 = 180
5A3 = 180
A3 = 36 degs
Angle 3 = 36 degs
Base angles = 72 degs