SOLUTION: Two angles of a triangle measure 21 degrees and 86 degrees. What is the measure of the third angle?
Could you please show how you got it.
Thank you
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Could you please show how you got it.
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Question 148430: Two angles of a triangle measure 21 degrees and 86 degrees. What is the measure of the third angle?
Could you please show how you got it.
Thank you Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Two angles of a triangle measure 21 degrees and 86 degrees. What is the measure of the third angle?
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The three angles always add up to 180 degrees.
Let the 3rd angle have measure "x".
EQUATION:
x + 21 + 86 = 180
x + 107 = 180
x = 73 degrees
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Cheers,
Stan H.
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