Question

Question 3 of 10

What is the value of y?
210
y +10°
O
A. 40°
OB. 50°
O C. 60°
OD. 30°
50⁰

Answer 1

y = 40 degrees

Explanation:

All three interior angles of a triangle sum to 180 degrees.

2y + y+10 + 50 = 180

3y + 60 = 180

3y = 120

y = 40