Aprēķins: AK8cLD - 1
S =
π
* R^2
π
* R^2|
|
S = π* R^2$$S$$ = $$\pi\cdot R^{2}$$
* R^2$$S$$ = $$\pi\cdot R^{2}$$S = R^2* π$$S$$ = $$R^{2}\cdot \pi$$
$$S$$ = $$R^{2}\cdot \pi$$S = 40^2* 3.14$$S$$ = $$40^{2}\cdot 3.14$$
S = 1600* 3.14$$S$$ = $$1600\cdot 3.14$$
S = 5024$$S$$ = $$5024$$