document.write( "Question 763605: in right angle triangle DEF, DE= 15, EF= 36 and DF= 36. what is the cosine of \n" ); document.write( "
Algebra.Com's Answer #464925 by ramkikk66(644)\"\" \"About 
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document.write( "Please check the question - the sides of 15, 36 and 36 cannot form a right triangle. In a right triangle, the hypotenuse has to be the longest side - here we have 2 sides having the same value (36) which is not possible for a right triangle.\r\n" );
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