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If two angles of a triangle measure 40 degrees and 70 degrees, what is the measure of the third angle?

User Zmanc
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SOLUTION:

We can use the idea that the sum of angles in a triangle must be 180.

Thus, if the first angle is 40 degrees and the second is 70 degrees, the third will be;


\begin{gathered} 180-70-40 \\ \\ =70 \end{gathered}

Therefore, the measure of the third angle is 70 degrees.

User Roconmachine
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