117k views
5 votes
What is the value of y?

What is the value of y?-example-1
User Krebstar
by
6.5k points

1 Answer

6 votes

Answer:

y = 54

Explanation:

We know the sum of the angles of a triangle are 180

72+y+y = 180

Combine like terms

72 + 2y = 180

Subtract 72 from each side

72-72 +2y = 180-72

2y = 108

Divide each side by 2

2y/2 = 108/2

y = 54

User Michael Dz
by
7.0k points