document.write( "Question 925254: find the measure of the third angle. 63,12, \n" ); document.write( "
Algebra.Com's Answer #561389 by Edwin McCravy(20081)\"\" \"About 
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document.write( "We want to know how many degrees the ? stands for in this\r\n" );
document.write( "triangle, which is drawn to scale:\r\n" );
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document.write( "We know that the three angles in EVERY triangle has sum 180°.\r\n" );
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document.write( "So we add the two angles that we are given:\r\n" );
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document.write( "63°+12° = 75°\r\n" );
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document.write( "Then we subtract from 180°:\r\n" );
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document.write( "180°-75° = 105°\r\n" );
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document.write( "We get that the third angle is 105°, and now we can \r\n" );
document.write( "complete our drawing:\r\n" );
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document.write( "Edwin
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