No the first one worked not the second one
You get the 4 when 4 times 1.
So... 4*(2-1)=4
R=4
theta=pi/2
x= r cos(theta) = 4 cos(pi/2) = 4(0) = 0
y = r sin(theta) = 4 sin(pi/2) = 4(1) = 4
(0,4) is the answer.
Answer:
90° rotational symmetry about the poiy(-1,0)