# A triangle has corners at #(2, 7 )#, #( 8, 3 )#, and #( 4 , 8 )#. If the triangle is dilated by # 7 x# around #(1, 3)#, what will the new coordinates of its corners be?

##### 1 Answer

Mar 14, 2017

The new coordinates are

#### Explanation:

We can work this with vectors

Let the points be

Let

Then

So the coordinates of

Let

Then,

The coordinates of

Let

Then,

The coordinates of