### Home > CCG > Chapter Ch7 > Lesson 7.2.1 > Problem 7-56

7-56.

Sandra wants to park her car so that she optimizes the distance she has to walk to the art museum and the library. That is, she wants to park so that her total distance directly to each building is the shortest. Find where she should park.

Reflect the

Draw a straight line from the library to point .

Point is where Sandra should park her car.

**Draw a point F at the middle of the street to show where Sandra should park her car.**

Write an equation based on similar triangles to calculate the length . If the length of the entire segment is

*, how can you label the other piece?*