Asked by KOOKIE

RSTU is a parallelogram, we know that opposite angles in a parallelogram are congruent. Therefore, ∠R = ∠S and ∠T = ∠U.
Answered by GPT 3.5
Additionally, we know that consecutive angles in a parallelogram are supplementary. Therefore, ∠R and ∠U are supplementary, as are ∠S and ∠T.