\r\n" );
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document.write( "Yes, the letter that indicates the point which is the VERTEX of the angle MUST\r\n" );
document.write( "be in the middle. But it doesn't matter if the two points other than the\r\n" );
document.write( "vertex are reversed.\r\n" );
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document.write( "Here is why:\r\n" );
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document.write( "
\r\n" );
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document.write( "The angle with the red arc can be notated as \r\n" );
document.write( "\r\n" );
document.write( "angle ADE, ADB, EDA, or BDA\r\n" );
document.write( "\r\n" );
document.write( "The notation for the angle with the red arc MUST have its vertex D\r\n" );
document.write( "in the middle. \r\n" );
document.write( "\r\n" );
document.write( "The angle with the green arc can be notated as\r\n" );
document.write( "\r\n" );
document.write( "angle, DAE, DAC, EAD, or CAD\r\n" );
document.write( "\r\n" );
document.write( "The notation for the angle with the green arc must have its vertex A\r\n" );
document.write( "in the middle.\r\n" );
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document.write( "ADE and DAE use the same letters in a different order, but they represent\r\n" );
document.write( "different angles because the letter in the middle which represents the vertex\r\n" );
document.write( "are different.\r\n" );
document.write( " \r\n" );
document.write( "Edwin
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document.write( "