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<span>Using mixed numbers it's 8/5</span>
Answer:
The answer is 180 degress
Step-by-step explanation:
This is because, all triangle angles, no matter what kind of triangle it is all angles add up to 180
a) From the left, the limit is 1, since

b) From the right, it's 2, since

c) Also 2, same reasoning as in (b).
d) 1, since

e) No, neither two-sided limits exist because the respective one-sided limits do not agree.