Question

What is the value of y?
40°
Y + 30°

Answer 1

I believe The answer is y=55

Answer 2

y = 55

Explanation:

The sum of the angles of a triangle are 180

40 + y+30 + y = 180

Combine like terms

70 +2y = 180

Subtract 70 from each side

2y = 180-70

2y = 110

Divide each side by 2

2y/2 = 110/2

y = 55