document.write( "Question 253145: please explain why its possible to have an isosceles right triangle but not an equilateral right triangle \n" ); document.write( "
Algebra.Com's Answer #185392 by edjones(8007)\"\" \"About 
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An equilateral right triangle would have three 90 degree angles. The sum of the angles of a triangle is always 180 degrees.
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