document.write( "Question 260860: The angles of a triangle measure 2x, 3x + 20, and 5x - 10. Find the measure of each angle and then classify the triangle as acute, right, or obtuse and explain why. \n" ); document.write( "

Algebra.Com's Answer #192146 by Fombitz(32388) $\"\"$ $\"About$

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Since it's a triangle the angles sum to 180.
\n" ); document.write( " $\"2x%2B3x%2B20%2B5x-10=180\"$
\n" ); document.write( " $\"10x%2B10=180\"$
\n" ); document.write( " $\"10x=170\"$
\n" ); document.write( " $\"x=17\"$
\n" ); document.write( " $\"2x=34\"$ , acute angle, less than 90.
\n" ); document.write( " $\"3x%2B20=51%2B20=71\"$ , acute angle, less than 90.
\n" ); document.write( " $\"5x-10=85-10=75\"$ , acute angle, less than 90. \n" ); document.write( "

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