Answer:
Yes
Step-by-step explanation:
As long as the slopes of these two lines are not the same, they will intersect.
Given two points on a line, we can find the slope by taking the difference in the y coordinates and dividing it by the difference in the x coordinates.
Slope of 1st line: 
Slope of 2nd line: 
The slopes are not equal, therefore the lines intersect.
Answer: 4.24264069
Step-by-step explanation: I think you mean the square root?
Step-by-step explanation:
without seeing a picture I'm guessing 45 45, and 90
The first has no r , only 0 since it is a straight line.