Question

Meg described four triangles as shown below: Triangle P: All sides have length 7 cm. Triangle Q: Two angles measure 55°. Triangle R: Two sides have length 8 cm, and the included angle measures 60°. Triangle S: Base has length 8 cm, and base angles measure 55°. Which triangle is not a unique triangle? Triangle P Triangle Q Triangle R Triangle S

Answer 1

  Answer:

The triangle which is not a unique triangle is:

                  Triangle Q.                

Answer 2

Triangle P isn't unique because all sides are equal and all interior angles are equal.