Which statement is a corollary of the theorem, "The sum of the three interior angles of a triangle is 180°."
A) Each interior angle of a square is a right angle.
B) Each interior angle of an equiangular triangle measures 60°.
C) The diagonals of a rectangle are congruent.
D) None of These

Question

Quizplus · Accepted Answer

The theorem states that the sum of the three interior angles of a triangle is 180°. Therefore, the corollary is that the measure of each interior angle of an equiangular triangle is 60°. The other options are not related to the theorem.

Which Statement Is a Corollary of the Theorem, "The Sum