Answer: y = 15
Step-by-step explanation:
6y - 10 + 6y + 10 = 180
+ 10 - 10 -10 +10
12y = 180
12y/12 = 180/12
y = 15
Answer:

Step-by-step explanation:



Answer:
Well you need a picture and we need to know Length Height and width!
Answer:
Step-by-step explanation:
1 and 2 are vertical angles