document.write( "Question 423707: Find the third angle of a right triangle if the measure of one on the angles is 10 degrees \n" ); document.write( "
Algebra.Com's Answer #295499 by algebrahouse.com(1659)\"\" \"About 
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\"Find the third angle of a right triangle if the measure of one on the angles is 10 degrees\"\r
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\n" ); document.write( "\n" ); document.write( "Angles of a triangle add up to 180.\r
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\n" ); document.write( "\n" ); document.write( "If it is a \"right triangle\", then one angle is 90.\r
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\n" ); document.write( "\n" ); document.write( "10 + 90 + x = 180 {added the two given angles with the missing angle, x, and set equal to 180}
\n" ); document.write( "x + 100 = 180 {combined 10 and 90}
\n" ); document.write( "x = 80 {subtracted 100 from both sides}\r
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\n" ); document.write( "\n" ); document.write( "the third angle is 80
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