A triangle has corners at #(1 ,3 )#, #(7 ,7 )#, and #(8 ,5 )#. If the triangle is dilated by a factor of #2 # about point #(3 ,5 ), how far will its centroid move?
1 Answer
Jan 4, 2018
let the centroid of the triangle =
Then,
Co-ordinate of
C
Let us consider centroid
Now, we can write,
Similarly
Therefore new centroid
Now,
The distance between the centroids is