Answer:
75 degrees
Step-by-step explanation:
60 = 45= 75 = 180
Because every triangle has 180 degrees in it
Two.
Example: a•------------------•b
You can't just call the line Line A because A is not a line, it's a point. But if you add another point, it makes a line, which would be called Line AB.
2 3/4a=19 1/4
÷2 3/4 ÷2 3/4
a=1/7
The lines would intercept at -4,-2. I hope this helps. Sorry I was a bit confused because Thee wasn’t a question.