document.write( "Question 481179: if in a triangle
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Algebra.Com's Answer #329515 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Hey, don't use < for an angle for if you put anything just to the\r\n" );
document.write( "right of it it will delete it.  Use 6 & # 8 7 3 6 ; (without the spaces) instead.\r\n" );
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document.write( "∠a = 2∠b = 6∠c\r\n" );
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document.write( "Get ∠a and ∠b in terms of ∠c\r\n" );
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document.write( "∠a = 6∠c   <--- that's ∠a in terms of ∠c\r\n" );
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document.write( "2∠b = 6∠c\r\n" );
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document.write( "so\r\n" );
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document.write( "∠b = 3∠c   <--- that's ∠b in terms of ∠c\r\n" );
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document.write( "Substitute in\r\n" );
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document.write( "  ∠a + ∠b + ∠c = 180°\r\n" );
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document.write( "6∠c + 3∠c + ∠c = 180°\r\n" );
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document.write( "           10∠c = 180°\r\n" );
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document.write( "Divide both sides by 10\r\n" );
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document.write( "             ∠c = 18°\r\n" );
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document.write( "and since ∠b = 3∠c\r\n" );
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document.write( "            ∠b = 3(18°)\r\n" );
document.write( "            ∠b = 54°\r\n" );
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document.write( "and since ∠a = 6∠c\r\n" );
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document.write( "            ∠a = 6(18°)\r\n" );
document.write( "            ∠b = 108°\r\n" );
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document.write( "Edwin
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