Question

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?

Triangle P
Triangle Q
Triangle R
Triangle S

Answer 1

Unique triangles are characterized by having SSS, SAS, AAS, and ASA relationships.

P - only AA, thereafter it is not unique
Q- SSS, it is unique
R - SAS, it is unique
S - ASA, it is unique

Answer is option A, Triangle P