Which of the following is a counterexample to the statement "All right angles measure 90 degrees"?
A. Acute angles measure less than 90 degrees and are not right angles
B. Reflex angles are not right angles
C. Two angles that add to 90 degrees are complementary
D. This statement does not have a counterexample.

Question

Which of the following is a counterexample to the statement "All right angles measure 90 degrees"?
	A.	Acute angles measure less than 90 degrees and are not right angles
	B.	Reflex angles are not right angles
	C.	Two angles that add to 90 degrees are complementary
	D.	This statement does not have a counterexample.

anonymous · Answer

I would say D.

anonymous · Answer

Thanks for taking your time to help! :)

anonymous · Answer

No problem.

anonymous · Answer

There is no counter example since by definition an angle is a right angle if and only if it measures 90°