![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The map distance is 9 cm.
\A map has a scale of 1 cm : 5 km.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6153a2dfa65f5a692350bcff3e9da96b.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=572c89cb24aa0cebafd4060885e87899.png\")
(Cross products property)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0fdf735b7355f80bdbce1a3abb3177c5.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3ac27fb7231be2c91c80729d446458ba.png\")
)
The actual distance is 45 km.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The actual distance is 45 km.
\