document.write( "Question 396415: a trapezoid had angles that meaure 3x. 3x x and x. what is the measure of x? \n" ); document.write( "
Algebra.Com's Answer #281225 by richard1234(7193)\"\" \"About 
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3x + 3x + x + x = 360 (degrees)\r
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\n" ); document.write( "\n" ); document.write( "8x = 360 --> x = 45
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