Расчет: H9ZU0D - 1
S =
3* saknis(
3)* r^2
3* saknis(
3)* r^2|
|
S = 3* saknis(3)* r^2$$S$$ = $$3\cdot \sqrt {3}\cdot r^{2}$$
3)* r^2$$S$$ = $$3\cdot \sqrt {3}\cdot r^{2}$$S = 3* r^2* saknis(3)$$S$$ = $$3\cdot r^{2}\cdot \sqrt {3}$$
3)$$S$$ = $$3\cdot r^{2}\cdot \sqrt {3}$$S = 3* r^2* 1.73205$$S$$ = $$3\cdot r^{2}\cdot 1.73205$$
S = 5.19615* r^2$$S$$ = $$5.19615\cdot r^{2}$$