In circle Q, ∠RQS ≅ ∠SQT. Circle Q is shown. Line segments Q R, Q S, Q T, Q U, and Q U are radii. Lines are drawn to connect the point on the circle to create secants U V, V R, R S, S T, and T U. Which statement must be true? Arc R T ≅ Arc U T ∠RQT ≅ ∠RST RQ ⊥ QT RS ≅ ST