document.write( "Question 732615: 11. A right triangle has legs with lengths x units and 7 units. The hypotenuse has length x+1 units. Find the perimeter of the triangle. \n" ); document.write( "

Algebra.Com's Answer #447934 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
Use pythagorean theorem
\n" ); document.write( " $\"+x%5E2+%2B+7%5E2+=+%28+x+%2B+1+%29%5E2+\"$
\n" ); document.write( " $\"+x%5E2+%2B+7%5E2+=+x%5E2+%2B+2x+%2B+1+\"$
\n" ); document.write( "Subtract $\"+x%5E2+\"$ from both sides
\n" ); document.write( " $\"+49+=+2x+%2B+1+\"$
\n" ); document.write( " $\"+2x+=+48+\"$
\n" ); document.write( " $\"+x+=+24+\"$
\n" ); document.write( " $\"+x+%2B+1+=+25+\"$
\n" ); document.write( "The perimeter is:
\n" ); document.write( " $\"+x+%2B+7+%2B+x+%2B+1+=+24+%2B+7+%2B+25+\"$
\n" ); document.write( " $\"+2x+%2B+8+=+56+\"$
\n" ); document.write( "---------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+x%5E2+%2B+7%5E2+=+%28+x+%2B+1+%29%5E2+\"$
\n" ); document.write( " $\"+24%5E2+%2B+7%5E2+=+25%5E2+\"$
\n" ); document.write( " $\"+576+%2B+49+=+625+\"$
\n" ); document.write( " $\"+625+=+625+\"$
\n" ); document.write( "OK \n" ); document.write( "

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