8. Congruent angles in the diagram: Vertical angles: RQT and ∠QPT are vertical angles, so they are congruent.
Congruent sides in the diagram:
• Reflexive property: QP is congruent to itself by the reflexive property.
• Angle bisector theorem: Since QP bisects RQT, we know that QP is congruent to QR and QT.
Vertical angles: RQT and ∠QPT
Angle bisector theorem: QP ≡ QR ≡QT
Vertical angles: Vertical angles are formed by two intersecting lines, and they are always congruent.
Angle bisector theorem: The angle bisector theorem states that if a segment bisects an angle, then the two segments created are congruent.