SOLUTION: Two angles of a triangle are 20° and 50°. What is the measure of the third angle?

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Question 228112: Two angles of a triangle are 20° and 50°. What is the measure of the third angle?
Answer by nerdybill(7384) About Me  (Show Source):
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Two angles of a triangle are 20° and 50°. What is the measure of the third angle?
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Remember, the sum of the three interior angles of any triangle equals 180 degrees.
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Let x = measure of third angle
then
20+50+x = 180
70+x = 180
x = 110 degrees