SOLUTION: Hello" i have a question. Two angles of a triangle are measured 52 and 89 degrees. How do i find the third angle. Thanks for your help. This question is not from my text book.

Algebra ->  Angles -> SOLUTION: Hello" i have a question. Two angles of a triangle are measured 52 and 89 degrees. How do i find the third angle. Thanks for your help. This question is not from my text book.      Log On


   

Question 135118: Hello" i have a question. Two angles of a triangle are measured 52 and 89 degrees. How do i find the third angle. Thanks for your help. This question is not from my text book.
Found 2 solutions by solver91311, stanbon:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!
The angles of a triangle add up to 180. Add 52 to 89 and then subtract the sum from 180.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Two angles of a triangle are measured 52 and 89 degrees. How do i find the third angle.
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The sum of the angles in every normal triangle is 180 degrees.
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EQUATION:
Let the measure of the 3rd angle be "x" degrees.
52+89 + x = 180
x + 141 = 180
x = 39 degrees
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Cheers,
Stan H.