Question

Question 10 of 10

What is the value of y?
604
12
12
80A
A
12
O A. 60°
O B. 120
O C. Cannot be determined
O D. 36

Answer 1

A. 60°

General Formulas and Concepts:

Geometry

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

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°.