# A triangle has corners at #(1, 2 )#, ( 1 , -9)#, and #( 7, -1)#. If the triangle is reflected across the x-axis, what will its new centroid be?

##### 1 Answer

Mar 11, 2016

New centroid is

#### Explanation:

The centroid of the triangle with corners at

When triangle is reflected across the x-axis, its centroid too is reflected across the x-axis

and as reflection of a point

new centroid is