Answer is C:1/3
21 total
7/21=1/3
Answer: if this is a triangle, then all triangles add up to 180 degrees. I dont know if this helps... sorry
Step-by-step explanation:
<u>answer:</u> 
<u>work:</u>
| subtract 12 on both sides, and solve.
| divide by 
on both sides, and solve.
| final answer.
hope this helps! ❤ from peachimin
Answer:
Step-by-step explanation:
Socratic had the answer on there I think
