document.write( "Question 1092642: In triangle​ ABC, the size of angle B is 5 times the size of angle​ A, and the size of angle C is 7 ° less than 4 times the size of angle A. \r
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Algebra.Com's Answer #707264 by rothauserc(4718)\"\" \"About 
You can put this solution on YOUR website!
let x be the size of angle A, then
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\n" ); document.write( "x + 5x + 4x-7 = 180
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\n" ); document.write( "10x = 187
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\n" ); document.write( "x = 18.7
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\n" ); document.write( "Angle A = 18.7 degrees
\n" ); document.write( "Angle B = 93.5 degrees
\n" ); document.write( "Angle C = 67.8 degrees
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