Kim is designing a railway track. Each point on the railway track should be equidistant from the two roads shown below. Kim wrote the following steps to construct the railway track. Step Description 1 Adjust the compass to a medium width and place it at point B and draw an arc which cuts at point P and at point Q. 2 Adjust the compass to the width of and place it at point P and cut an arc. 3 Reduce the width of the compass and place it at point Q and draw an arc which intersects the previous arc at a point S. 4 Use a straightedge to connect the points B and S and extend it beyond S. Wh

Question

Kim is designing a railway track. Each point on the railway track should be equidistant from the two roads shown below.     Kim wrote the following steps to construct the railway track.  Step Description 1 Adjust the compass to a medium width and place it at point B and draw an arc which cuts at point P and at point Q. 2 Adjust the compass to the width of  and place it at point P and cut an arc. 3 Reduce the width of the compass and place it at  point Q and draw an arc which intersects the previous arc at a point S. 4 Use a straightedge to connect the points B and S and extend it beyond S.  Wh