Tina described four triangles as shown below:

Triangle A: All sides have length 12 cm.

Triangle B: Two sides have length 10 cm, and the included angle measures 60°. Triangle C: Base has length 15 cm, and base angles measure 40°.

Triangle D: All angles measure 60°.

Which triangle is not a unique triangle? Triangle A Triangle B Triangle C Triangle D

Question

Maxim

Mathematics

3 November, 09:24

Tina described four triangles as shown below:

Triangle A: All sides have length 12 cm.

Triangle B: Two sides have length 10 cm, and the included angle measures 60°. Triangle C: Base has length 15 cm, and base angles measure 40°.

Triangle D: All angles measure 60°.

Which triangle is not a unique triangle? Triangle A Triangle B Triangle C Triangle D

+4

Answers (1)

Know the Answer?

Nataly Santana · Answer 1

All triangles are unique.

The question should read, which two of the 4 given triangles are similar. the intended answer is likely triangle D, because there are infinitely many different triangles described by D, namely all equilateral triangles.