Obliczenie: SkxHOA - 1
S =
4* π
* R^2
4* π
* R^2|
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S = 4* π* R^2$$S$$ = $$4\cdot \pi\cdot R^{2}$$
* R^2$$S$$ = $$4\cdot \pi\cdot R^{2}$$S = 4* R^2* π$$S$$ = $$4\cdot R^{2}\cdot \pi$$
$$S$$ = $$4\cdot R^{2}\cdot \pi$$* R^2|
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* R^2$$S$$ = $$4\cdot \pi\cdot R^{2}$$$$S$$ = $$4\cdot R^{2}\cdot \pi$$