The Soule's live on a corner lot. Often, children cut across
 their lot to save walking distance. The diagram to the right
 represents the corner lot. The children's path is
 represented by a dashed line. Approximate the walking
 distance that is saved by cutting across their property
 instead of walking around the lot.
 ...
 The walking distance that is saved by cutting across the lot is
 feet.
 X
 15 feet
 x+3