Question

complete this sentence with always, sometimes, or never. complementary angles are __________ congruent.

Explanation:

Step1: Recall definition of complementary angles

Complementary angles are two angles whose sum is 90 degrees.

Step2: Consider cases

If two angles are 45 degrees each, they are complementary and congruent. But if one angle is 30 degrees and the other is 60 degrees, they are complementary but not congruent. So complementary angles are sometimes congruent.

Answer:

sometimes