document.write( "Question 818263: Mark travels 9 miles East and then 12 miles North. How far is Mark from the starting point? \n" ); document.write( "

Algebra.Com's Answer #492445 by balthazar612(14) $\"\"$ $\"About$

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according to pythagoras theorem
\n" ); document.write( " $\"X%5E2\"$ = $\"%289%29%5E2+%2B+%2812%29%5E2%0D%0A%7B%7B%7BX%5E2\"$ = 81+ 144
\n" ); document.write( " $\"X%5E2\"$ =225
\n" ); document.write( " $\"sqrt%28X%5E2%29\"$ = $\"sqrt%28225%29\"$
\n" ); document.write( "X= 15
\n" ); document.write( " So he will be 15 miles away from the start point \n" ); document.write( "

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