HELP ITS ABOUT TRIANGLES. Image is attached Explanation neede plzzz

D.

Step-by-step explanation:

So angle 2 = 180 - angle 1

Angle 1 = angle 3 + angle 4.

Angle 2 = 180 - angle 3 - angle 4

So, you can come to the conclusion that (angle 1 + angle 2) = 180°

and (angle 3 + angle 4 + angle 2) = 180°

do i do it on a graph?

step-by-step explanation:

step-by-step explanation:

in which figure is point g a centroid