Question

Linda described four triangles as shown below:

Triangle A: All sides have length 7 cm.

Triangle B: All angles measure 60°.

Triangle C: Two sides have length 8 cm, and the included angle measures 60°.

Triangle D: Base has length 8 cm, and base angles measure 55°.

Which triangle is not a unique triangle?

Triangle A
Triangle B
Triangle C
Triangle D

Answer 1

@Astrophysics

Answer 2

@jagr2713

Answer 3

@jagr2713

Answer 4

@JokerSmart