Lines and are parallel in the image below. The image will be used to prove that the sum of the measures of the interior angles o
f is 180°. Which statement would be included in a proof of why ?
Angles F and H are congruent.
Angles A and G are congruent.
Angles A and H are congruent.
Angles E and C are congruent.
Why? We use the transverses to copy the triangle angles G, G and H to the same point, where we see they add to a straight line, two right angles, 180 degrees.