# Point A is at #(2 ,-1 )# and point B is at #(9 ,-7 )#. Point A is rotated #(3pi)/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

Jun 30, 2018

As below

#### Explanation:

#"To find change in distance of AB"

Using distance formula between two points,