Odpowiedź:
d₂ = 12cm
a√3 = 12 || : √3
a = 12 / √3 · √3 / √3
a = 12 √3 / 3
12 i 3 skracamy
a = 4 √3
pole
P = 6 · a² √3 / 4
P = 6 · (4 √3)² √3 / 4
P = 6 · 16 · 3 · √3 / 4
16 i 4 skracamy
P = 72 √3 cm²
obwód
Ob = 6 · a
Ob = 6 · 4√3
Ob = 24√3
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Odpowiedź:
d₂ = 12cm
a√3 = 12 || : √3
a = 12 / √3 · √3 / √3
a = 12 √3 / 3
12 i 3 skracamy
a = 4 √3
pole
P = 6 · a² √3 / 4
P = 6 · (4 √3)² √3 / 4
P = 6 · 16 · 3 · √3 / 4
16 i 4 skracamy
P = 72 √3 cm²
obwód
Ob = 6 · a
Ob = 6 · 4√3
Ob = 24√3