Answer: 
Step-by-step explanation:

143o
interior angles of a triangle always add up to 180o
I'm not 100% sure what this all means because I'm in a different school but, I believe they have a side length of 4600.
P.S. If it doesn't work, I am so sorry
Step-by-step explanation:
x = 2/5 or x = 0 Hope that will help
Answer:
false
Step-by-step explanation:
no solution