Question

which angles are complementary to ∠adb? select all that apply. ∠bdc ∠bda ∠cda ∠adc

Explanation:

Step1: Recall complementary - angle definition

Two angles are complementary if their sum is 90 degrees. From the figure, we can see that \(\angle ADB+\angle BDC = 90^{\circ}\) (since there is a right - angle mark at \(\angle ADC\)).

Answer:

A. \(\angle BDC\)