x - 1 bok
4x - 2 bok
Ob = 2(a+b)
35cm = 2 * 5x
10 x = 35 cm
x = 3,5 cm <--- pierwszy bok
3,5 cm * 4 = 14 cm <--- drugi bok
P = ab = 14 cm * 3,5 cm = 49 cm2
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x - 1 bok
4x - 2 bok
Ob = 2(a+b)
35cm = 2 * 5x
10 x = 35 cm
x = 3,5 cm <--- pierwszy bok
3,5 cm * 4 = 14 cm <--- drugi bok
P = ab = 14 cm * 3,5 cm = 49 cm2