So for a hexagon, the sum of all interior angles is 720°, all we need to do is add all the angles up and set it to 720 to get angle B.

Firstly, combine like terms to get 
Next, subtract 612 on each side, and your answer should be 
A is at (2,-2). after 90 degree counter clockwise, it is at (2,2). Then, a transformation one unit to the left gets it to A', (1,2)
A)
Answer:
1/5
Step-by-step explanation:
change of y over change of x will get you 1.5/7.5 which is 0.2 or 1/5
Grayson did not simplify the question