SOLUTION: The sides of an isosceles triangle have lengths of 10, 10, and 4. Find the measure of the base angles.

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Question 1029637: The sides of an isosceles triangle have lengths of 10, 10, and 4. Find the measure of the base angles.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
So for the base angles,
cos%28theta%29=%284%2F2%29%2F10
cos%28theta%29=1%2F5
theta=78.5