document.write( "Question 995454: Find the measure of each angle in triangle ABC.
\n" ); document.write( "A) (x-30) B(2x-120) C(1/2+15)
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Algebra.Com's Answer #614191 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"A=%28x-30%29\"
\n" ); document.write( "\"B=%282x-120%29\"
\n" ); document.write( "\"C=%281%2F2%2B15%29\"...I guess you have \"C=%28%281%2F2%29x%2B15%29\"\r
\n" ); document.write( "\n" ); document.write( "the sum of all interior angles in triangle is \"180\"°\r
\n" ); document.write( "\n" ); document.write( "then you have \r
\n" ); document.write( "\n" ); document.write( "\"A%2BB%2BC=180\"°\r
\n" ); document.write( "\n" ); document.write( "\"%28x-30%29%2B%282x-120%29%2B%28%281%2F2%29x%2B15%29=180\"°......solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x-30%2B2x-120%2B%281%2F2%29x%2B15=180\"°\r
\n" ); document.write( "\n" ); document.write( "\"x-30%2B2x-120%2B0.5x%2B15=180\"°\r
\n" ); document.write( "\n" ); document.write( "\"3.5x-135=180\"°\r
\n" ); document.write( "\n" ); document.write( "\"3.5x=180%2B135\"°\r
\n" ); document.write( "\n" ); document.write( "\"3.5x=315\"°\r
\n" ); document.write( "\n" ); document.write( "\"x=315%2F3.5\"°\r
\n" ); document.write( "\n" ); document.write( "\"x=90\"°\r
\n" ); document.write( "\n" ); document.write( "now find the measure of all three angles:\r
\n" ); document.write( "\n" ); document.write( "\"A=%28x-30%29\" =>\"A=%2890-30%29\"=>\"A=60\"
\n" ); document.write( "\"B=%282x-120%29\"=> \"B=%282%2A90-120%29\"=> \"B=60\"
\n" ); document.write( "\"C=%28x%2F2%2B15%29\"=>\"C=%2890%2F2%2B15%29\"=>\"C=60\"\r
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