Wendy described four triangles as shown below:

Triangle A: All sides have length 9 cm.

Triangle B: Two sides have length 10 cm, and the included angle measures 60°. Triangle C: Two angles measure 50°.

Triangle D: Base has length 8 cm, and base angles measure 45°.

Which triangle is not a unique triangle?

Question

Mathematics

Camille Francis

25 April, 04:53

Wendy described four triangles as shown below:

Triangle A: All sides have length 9 cm.

Triangle B: Two sides have length 10 cm, and the included angle measures 60°. Triangle C: Two angles measure 50°.

Triangle D: Base has length 8 cm, and base angles measure 45°.

Which triangle is not a unique triangle?

+1

Answers (1)

Know the Answer?

Haiden Holder · Answer 1

When angles are the only specification, one side can be any length you want. The triangle is not uniquely specified by its angles.

The appropriate choice is ...

... Triangle C: Two angles measure 50°.