Answer:
i dont know champ
Step-by-step explanation:
Https://us-static.z-dn.net/files/d97/0e792c3468a527257fdf3e35960f1aeb.jpg
I think this is right that X in the middle threw me off.
2x+38=180
2x=142 (or x+x=142 from which 2x=142)
x=71
The unknown angles are each 71
You know this answer is logical as, since two sides are 21 it hints that we are looking at an equilateral triangle, which means two of its angles will be the same
Answer:
B. 36
Step-by-step explanation:
The answer is B. 36.