Ok i found it now i can help
Each of her friends will receive 1/4 of the pie. There were four pieces of the pie, if there are three even pieces now and there are three friends. Each one will get 1 slice each.
-8/7
6- -2= 8
3- -4=7
rise over run the slope of K is 7/8
perpendicular is the negative inverse of the slope so it ends up as -8/7
Congruent because both angles are the same
