Explanation:
A(2,4)=A'(-4,-2)
B(-3,-5)=B'(5,3)
C(2,-3)=C'(3,-2)
D(-4,9)=D'(-9,4)
E(10,4)=E'(-4,-10)
F(-1,-7)=F'(7,1)
G(-4,8)=G'(-8,4)
H(-4,-5)=H'(5,4)
J(-7,-2)=J'(2,7)
K(0,9)=K'(-9,0)
L(0,-3)=L'(3,0)
M(-5,0)=M'(0,5)
l(1,-8)=l'(8,-1)
N(2,0)=N'(0,-2)
I hope it helps :)
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