document.write( "Question 870512: Megan drove her car 7 miles north, then made a left turn and drove 3 miles west. How far is she, in a straight line, from her starting point. \n" ); document.write( "
Algebra.Com's Answer #524933 by JulietG(1812)\"\" \"About 
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This is a right angle problem.
\n" ); document.write( "In a right triangle, \"a%5E2+%2B+b%5E2+=+c%5E2\"
\n" ); document.write( "\"7%5E2+%2B+3%5E2+=+c%5E2\"
\n" ); document.write( "49 + 9 = \"c%5E2\"
\n" ); document.write( "58 = \"c%5E2\"
\n" ); document.write( "c = sqrt of 58, or 7.616 miles
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