document.write( "Question 1109152: The blocks in a city are all perfect squares. A friend gives you the following directions to a good restaurant; \"go north 3 blocks, turn east and go 5 blocks, turn south and go 7 blocks, turn west and go 3 blocks.\" How far away (straight line distance) is the restaurant? \n" ); document.write( "
Algebra.Com's Answer #805076 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! (note: south is negative of north, west is negative of east)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "directions: north 3 blocks, east 5 blocks, north -7 blocks, east -3 blocks \n" ); document.write( "Overall, you are (3-7) = -4 blocks north and (5-3) = 2 blocks east.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "distance to start = sqrt((-4)^2 + 2^2) = 2sqrt(5) blocks \n" ); document.write( " |