Question

the movement of the progress bar may be uneven because questions can be worth more or less (including zero) depending on you. look at ∠bdc and ∠adb in the image below. which of the following is the best description for this pair of angles? right acute supplementary complementary

Explanation:

Step1: Recall angle - type definitions

Right angles are 90°, acute angles are less than 90°, supplementary angles sum to 180°, and complementary angles sum to 90°.

Step2: Observe the pair of angles

From the image, ∠BDC and ∠ADB together form a right - angle (90°).

Answer:

complementary