Odpowiedź:
P = (a²√3)/4
P = 9√3
(a²√3)/4 = 9√3. /* 4
a²√3 = 36√3. /:√3
a² = 36
a = √36
a = 6
Odp : bok tego trójkąta wynosi 6.
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Odpowiedź:
P = (a²√3)/4
P = 9√3
(a²√3)/4 = 9√3. /* 4
a²√3 = 36√3. /:√3
a² = 36
a = √36
a = 6
Odp : bok tego trójkąta wynosi 6.