(1) Figure RST has been rotated \( 90^{\circ} \) clockwise to form figure \( O P Q \). Which of the following statements is true?
(A) \( m \angle R \cong m \angle Q \)
(B) \( m \angle S \cong m \angle P \)
(C) \( \overline{R S} \cong \overline{P Q} \)
(D) \( \overline{S T} \cong \overline{O P} \)

Answer

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Answer

Step 3: \( m \angle R \cong m \angle Q \)

Steps

Step 1 ：Step 1: During rotation, angles remain congruent.

Step 2 ：Step 2: R is rotated to Q during the \( 90^{\circ} \) clockwise rotation.

Step 3 ：Step 3: \( m \angle R \cong m \angle Q \)