Answer:
x=130 (180-50)
y=50 (same)
a=135 (parellel)
b=45 (180-135)
c=45 (180-135)
d=135 (same)
Step-by-step explanation:
So question one I have B , question 2 is C, question 3 is B
In your question where as ask to find which angel of rotation will image of the polygon coincide with the pre-image if a 12 sided regular polygon rotates about its center. I think the angle is 30 degrees because the polygon has total of 360 degree then divide it to 12 then you will came up with a 30