document.write( "Question 709606: I need help in finding the distance of a plane going 120 km north and 170 km east. \n" ); document.write( "

Algebra.Com's Answer #436694 by vheroli(126) $\"\"$ $\"About$

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Use Pythagorean theorem:
\n" ); document.write( " $\"c%5E2+=+a%5E2+%2B+b%5E2\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"c%5E2=+120%5E2+%2B+170%5E2\"$
\n" ); document.write( " $\"c%5E2=+14400+%2B+28900\"$
\n" ); document.write( " $\"c%5E2=+43300\"$
\n" ); document.write( " $\"c=+sqrt%2843300%29\"$
\n" ); document.write( "c=208.0865\r
\n" ); document.write( "\n" ); document.write( "Answer: 208.0865km \n" ); document.write( "

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