Policz pole powierzchni trójkąta równobocznego o boku:
(1 2cm
(2 5cm
(3 15cm
Jeśli mozecie to podajcie oliczenia
a=2
2
a=5
a-15
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a=2
2![P=\frac{a^{2}*\sqrt{3}}{4} P=\frac{2^{2}*\sqrt{3}}{4} P=\sqrt{3} P=\frac{a^{2}*\sqrt{3}}{4} P=\frac{2^{2}*\sqrt{3}}{4} P=\sqrt{3}](https://tex.z-dn.net/?f=+P%3D%5Cfrac%7Ba%5E%7B2%7D%2A%5Csqrt%7B3%7D%7D%7B4%7D+P%3D%5Cfrac%7B2%5E%7B2%7D%2A%5Csqrt%7B3%7D%7D%7B4%7D+P%3D%5Csqrt%7B3%7D+)
a=5
a-15