document.write( "Question 350735: If the hypotenuse of a right triangle is 30 cm long and one leg is twice as long as the other, how long are the legs of the triangle?\r
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document.write( "I think I'm suppose to set it up 30^2=a^2 +2b^2, but I'm not sure. And if it is, I'm not sure how to solve for both a and b. Thanks \n" );
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Algebra.Com's Answer #250757 by mananth(16946)![]() ![]() You can put this solution on YOUR website! if one leg is x \n" ); document.write( "the other leg will be 2x \n" ); document.write( "... \n" ); document.write( "x^2+(2x)^2=30^2 \n" ); document.write( "x^2+4x^2=900 \n" ); document.write( "5x^2=900 \n" ); document.write( "x^2=900/5 \n" ); document.write( "x^2=180 \n" ); document.write( "x= sqrt 180 = 13.4 cm \n" ); document.write( "other leg will be 2*13.4 = 26.8 cm \n" ); document.write( " |