The question is asking to choose among the following statement is true about the triangle GHI if it is classified as a right triangle, base on the following choices, I would say that the answer would be letter A. At least two sides are congruent. I hope you are satisfied with my answer and feel free to ask for more
when you have a right triangle, a right angle is involved. when something is "perpendicular", two lines that cross on a given plane creates a 90 degree angle, or a right angle.
