Question

Question 10 of 10

Answer 1

Answer:

A. 60°

General Formulas and Concepts:

Geometry

• Equilateral Triangle - All side lengths and angles are equal to each other

Step-by-step explanation:

From the picture given, we see that all the side lengths are 12. Therefore, we can conclude that triangle ABC is an equilateral triangle.

Therefore, m∠y must equal 60°.