What is the Perimeter of Triangle ABC?

[mathdad]

The vertices of Triangle ABC are A(1, 1), B(9, 3), and
C(3, 5). Find the perimeter of Triangle ABC.

I need to find the distance of AB, BC, and AC. I then must add all three distances to find the perimeter.

Correct?

 

[Evgeny.Makarov]

I need to find the distance of AB, BC, and AC. I then must add all three distances to find the perimeter.

Correct?

Yes.

 

[mathdad]

Yes.

Feels good to be right.