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krótszy -x
obw - 32cm
2x + 2(x+2) = 32
2x+2x+4 =32
4x = 32-4
4x = 28/:4
x=7 -krótszy bok
dłuższy bok- 7+2 = 9
L=2*b+2*a
L=4*b+4cm
L=32cm
32cm=4b+4cm
b=(32-4cm):4
b=7
a=7+2
a=9cm
x+2 - dłuższy
Obwód
2a + 2b = 32
2*x + 2*(x+2) = 32
2x + 2x + 4 = 32
4x = 32 - 4
4x = 28 /: 4
x = 7cm
boki maja 7cm oraz 9cm