180 degrees: (x,y)->(-x,-y)
90 degrees cc: (x,y)->(-y,x)
translating up and down= y axis
translating left and right= x axis
whenever it’s asking up or right, add
whenever it’s asking down or left, subtract
so with this information,
6. A’(6,-6) B’(8,-11) C’(-7,-13)
7. A’(-20,-16) B’(-18,-11) C’(-23,-9)
