Oblicz obwud trójkąta o bokach 12 calych i 1/2dm,13 calych i 3/5dm,8calych i 3/4dm Z góry dzieki
L= a + b + c
L=12,5 + 13,6 +8,75
L= 34,85(dm)
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L= a + b + c
L=12,5 + 13,6 +8,75
L= 34,85(dm)