\r\n" );
document.write( "Did you mean \"EQUILATERAL\" triangle? An EQUILATERAL triangle is\r\n" );
document.write( "one that has all three of its sides the same length, and all\r\n" );
document.write( "three of its interior angles the same measure. It's like this:\r\n" );
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document.write( "If you meant \"EQUILATERAL\" triangle, then all three interior\r\n" );
document.write( "angles measure 60° each.\r\n" );
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document.write( "But ISOSCELES triangles normally only have TWO sides equal in \r\n" );
document.write( "length and only TWO interior angles equal in measure. They can \r\n" );
document.write( "be tall and skinny, like this one:\r\n" );
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document.write( "
\r\n" );
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document.write( "Notice that 2 of its interior angles are 80°, and the interior angle \r\n" );
document.write( "at the top is 20°. The two interior angles at the bottom are called\r\n" );
document.write( "\"BASE ANGLES\" and the interior angle at the top is called the \r\n" );
document.write( "VERTEX angle.\r\n" );
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document.write( "ISOSCELES triangles can also be short and fat like this one:\r\n" );
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document.write( "
\r\n" );
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document.write( "Notice that 2 of its interior angles are 33° (the BASE angles), \r\n" );
document.write( "and the interior angle at the top (the VERTEX angle) is 114°.\r\n" );
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document.write( "If you add all three interior angles of any triangle you will always\r\n" );
document.write( "get 180°. \r\n" );
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document.write( "60°+60°+60° = 180° in the equilateral triangle at the top.\r\n" );
document.write( "80°+80°+20° = 180° in the tall skinny isosceles triangle.\r\n" );
document.write( "33°+33°+114°= 180° in the short fat isosceles triangle.\r\n" );
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document.write( "EQUILATERAL triangles are a special kind of ISOSCELES triangle in which\r\n" );
document.write( "ALL THREE sides and ALL THREE angles are equal. But an ISOCELES\r\n" );
document.write( "triangle normally has only TWO sides equal and only TWO angles equal.\r\n" );
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document.write( "Hope this helps you.\r\n" );
document.write( "Edwin
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document.write( "![\"\"](\"/images/stars/stars-13.gif\")
