D^1 (0,1)
explanation: http://www.twinsburg.k12.oh.us/Downloads/geo%20ch9%20form%20assess%20KEYS.pdf
The answer to your question is A
Answer:
A
Step-by-step explanation:
All triangles have 180 degrees, these set of measures do not add up to 180°. They add up to 181°, so it is the answer.
Looks like all you have to do is to translate this expression into symbols:
2.1*10^9
