Question 1093551
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two angles of a triangle have the same measure and the third one is 57 degrees greater than the measure of each of the other two. 
find the measure of the largest {{{highlight(cross(triangle))}}} angle.
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<pre>
A + A + (A+57) = 180  ====>

3A + 57 = 180  ====>  3A = 180 - 57 = 123 degrees.


Can you complete from this point ?
</pre>


See the lesson

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