Oblicz w hektarach pole kwadratu którego obwód wynosi 1600m. PROSZĘ O OBLICZENIA !!! PLIS POMURZĆE MI
1600m : 4 = 400m
400 * 400 = 160000m2 = 16ha
bo 1ha = 10 000m2
p = ?
Ob = 1 600m
4 * a = 1 600m
a = 1 600m : 4
a = 400m
P = a * a
P = 400m * 400m
P = 160 000m^2
1 ha = 100a = 10 000m^2
160 000m^2 : 10 000m^2 = 16 ha ---- odpwoiedź
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1600m : 4 = 400m
400 * 400 = 160000m2 = 16ha
bo 1ha = 10 000m2
p = ?
Ob = 1 600m
4 * a = 1 600m
a = 1 600m : 4
a = 400m
P = a * a
P = 400m * 400m
P = 160 000m^2
1 ha = 100a = 10 000m^2
160 000m^2 : 10 000m^2 = 16 ha ---- odpwoiedź