Question

The vertices of ABC are A(-2,2) B(6,2) C(0,8). The perimeter of ABC is blank units, and its area is blank square units?

Answer 1

Notice that A and B have the same y coordinates 2

Answer 2

Hence AB is parallel to the x-axis

Answer 3

Since C(0,8) and the origin O=(0,0) then CO is perpendicular to AB

Answer 4

Let H be the point of intersection of CO and AB.
What is CH?
How long is CH?

Answer 5

You should be able to finish it now

Answer 6

Thanks @eliesaab