Question

Macy described four triangles as shown below: Triangle A: All angles measure 60°. Triangle B: All sides have length 6 cm. Triangle C: Two sides have length 6 cm, and the included angle measures 60°. Triangle D: Base has length 6 cm, and base angles measure 50°. Which triangle is not a unique triangle? Triangle A Triangle B Triangle C Triangle D

Answer 1

triangle d because the rest are 60 degrees

Answer 2

B is the answer.
This is because if all the sides are the same so will the angles It is an equallateral triangle.
A is also an equallateral triangle because all the angles are the same.
Therefor B is not unique