# A triangle has corners at #(-1 ,2 )#, #(3 ,-5 )#, and #(7 ,4 )#. If the triangle is dilated by a factor of #5 # about point #(-2 ,6 ), how far will its centroid move?

##### 1 Answer

Given vertices

#### Explanation:

I've answered one or two of these before. Let's do this one in general:

Given a triangle with vertices

The centroid is

The distance

After dilation it will be