document.write( "Question 786179: A triangle has three angles that have a sum of 180 degrees. If one of the angles in 50, another is 70, find the 3rd. Be sure to write an equation, and solve showing all work.
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Algebra.Com's Answer #477828 by stanbon(75887)\"\" \"About 
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A triangle has three angles that have a sum of 180 degrees. If one of the angles in 50, another is 70, find the 3rd. Be sure to write an equation, and solve showing all work.
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\n" ); document.write( "Let the 3rd angle be \"x\".
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\n" ); document.write( "Equation:
\n" ); document.write( "50 + 70 +x = 180
\n" ); document.write( "120 + x = 180
\n" ); document.write( "x = 60 degrees
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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