Розрахунок: IWXYum - 1
a =
2* R* sin(
)
2* R* sin(
| 180 |
| / n |
|
a = 2* R* sin(
)$$a$$ = $$2\cdot R\cdot sin(\frac{180}{n})$$
| 180 |
| / n |
a = 8* R* cos(
)* cos(
)* sin(
)$$a$$ = $$8\cdot R\cdot cos(\frac{45}{n})\cdot cos(\frac{90}{n})\cdot sin(\frac{45}{n})$$
| 45 |
| / n |
| 90 |
| / n |
| 45 |
| / n |