Respuesta :

Answer: Complementary

Step-by-step explanation:

Complementary angles add up to equal 90 degrees. Since the sum of the angle measures of angles ABC and DBC is 90 degrees, the two angles are complementary.

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Answer:

A. complementary angles

Step-by-step explanation:

A complementary angle is an angle where the sum of the two angles is 90°.

The sum of angles ABC and DBC is 90°. So It's a complementary angle.