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