Odpowiedź:
x - bok
2x - 2 bok
wzor - 2(a + b)
2( x + 2x ) = 78cm
6x = 78cm
x = 13cm
13 * 2 = 26cm
wzor na pole - ab
13 * 26 = 338cm2
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Odpowiedź:
x - bok
2x - 2 bok
wzor - 2(a + b)
2( x + 2x ) = 78cm
6x = 78cm
x = 13cm
13 * 2 = 26cm
wzor na pole - ab
13 * 26 = 338cm2