Zeda described four triangles as shown below: Triangle P: Two angles measure 50°.
Triangle Q: All sides have length 13 cm.
Triangle R: Two sides have length 3 cm, and the included angle measures 60°.
Triangle S: Base has length 5 cm, and base angles measure 30°.

Which triangle is not a unique triangle? (5 points)

Triangle P
Triangle Q
Triangle R
Triangle S