# Point A is at #(-8 ,-2 )# and point B is at #(7 ,-3 )#. Point A is rotated #pi/2 # clockwise about the origin. What are the new coordinates of point A and by how much has the distance between points A and B changed?

##### 1 Answer

Feb 14, 2018

Decrease in distance by rotating A to A’ is

#### Explanation:

Point A rotated clockwise by

Let A’ be the new point of A after rotation.

Decrease in distance by rotating A to A’ is