Which of the following can be used to prove that triangle EFG is also a right triangle?

Mathematics · High School · Tue Nov 03 2020

Answered on

Triangle EFG can be a right triangle if interior angles add up to 90 degrees or Pi/2 in radians, which means that it is complimentary.

It is supported by the complimentary angle theorem, which states that two acute angles that add up to 90 degrees are considered complimentary.