Since the line down the middle is straight, it has a measure of 180. Subtract 180 - 41 and and you get 139. 3 is across from it, so you can assume it is so 139. 4 is across from the original, so it is 41
A) 3:11
b) 11:8
this should be correct
When two lines intersect to form a 90 degree angle, these lines are called perpendicular lines.
(-8,-7) is in 3
(8,7) is in 1
(8,-7) is in 4
(-8,7) is in 2
:-)
