What is the measure of ABC in the figure below?

Since Angle ABD and Angle DBC are complementary angles, the measure of Angle ABC is 90 degrees.
Hence, option D is the correct answer.
Two angles are called complementary when their measures add to 90 degrees.
From the diagram; Angle ABD and Angle DBC are complementary angles that add up to make 90 degrees.
Since Angle ABD and Angle DBC are complementary angles, the measure of Angle ABC is 90 degrees.
Hence, option D is the correct answer.
Learn more about complementary angles here: https://brainly.com/question/5708372
#SPJ1