# Point A is at #(-1 ,4 )# and point B is at #(-3 ,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

Mar 14, 2016

Distance has increased by

#### Explanation:

A point

Hence the coordinates of point

The distance between point

=

The distance between rotated point

=

Hence, distance has increased by