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A=(-5,-2) A1=(5,2)
B=(1,-2) B1=(-1,2)
C=(1,3) C1=(-1,-3)
D=(-5,3) D1=(5,-3)
no więc tak pole wspólne wyniesie:
P=ab
a=2
b=4
P=8
Odp. C
Proszę. :)