Answer:
A: 70 degrees B: 60 degrees C: 40 degrees D: 65 degrees and 65 degrees E: 60 degrees F: a= 30 degrees
Step-by-step explanation:
To find the missing angle you will have to use the angles that are provided for you so if there is a square in any of the corners that automatically equals 90 degrees, once you add that with the other number degrees just subtract their sum from 180 degrees. BUT if that is not the case and i only gives you on angle that you will just need to use critical thinking to see what is left in the equation and see how it plays out with the angle given and the other angle that you need to find to see if it gives you 180 degrees.
If two lines have the same slope, then they are always parallel, unless they are the same line. Parallel lines means they never touch, but if you have the same line, they would be touching.
If two lines have the same slope and y-intercepts, then they are the same line, therefore not parallel because they touch each other.