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Answer:
- ∠BAC and ∠RST are complementary because they total 90°
- ∠CAD and ∠RST are supplementary because they total 180°
- ∠BAC and ∠CAD are adjacent because they share a side and a vertex and do not overlap
Step-by-step explanation:
The answers here are found by applying the definitions of complementary, supplementary, and adjacent to the angles shown in the figure.
