document.write( "Question 963176: Patti drove 21 miles to the west,and then drove 72 miles to the south. How far is she from her starting location? \n" ); document.write( "

Algebra.Com's Answer #588701 by Fombitz(32388) $\"\"$ $\"About$

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Since the directions are perpendicular, they form the legs of a right triangle.
\n" ); document.write( "The distance is the hypotenuse of the triangle.
\n" ); document.write( " $\"D%5E2=21%5E2%2B72%5E2\"$
\n" ); document.write( " $\"D%5E2=441%2B5184\"$
\n" ); document.write( " $\"D%5E2=5625\"$
\n" ); document.write( " $\"D=75\"$ $\"miles\"$ \n" ); document.write( "

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