z treści można wywnioskować że boki to x i 2x
obwód: x+x+2x+2x= 6x
6x=24
x=4cm
więc boki to 4cm i 8cm
1 bok ---- a = x
2 bok ----- b = 2x
Ob = 2a + 2b
24 = 2 * x + 2 * 2x
24 = 2x + 4x
24 = 6x
24 : 6 = x
x = 4
1 bok ---- a = x = 4cm
2 bok ----- b = 2x = 2 * 4 = 8cm
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z treści można wywnioskować że boki to x i 2x
obwód: x+x+2x+2x= 6x
6x=24
x=4cm
więc boki to 4cm i 8cm
1 bok ---- a = x
2 bok ----- b = 2x
Ob = 2a + 2b
24 = 2 * x + 2 * 2x
24 = 2x + 4x
24 = 6x
24 : 6 = x
x = 4
1 bok ---- a = x = 4cm
2 bok ----- b = 2x = 2 * 4 = 8cm