Sprendimas: 5n7wKC - 1
S =
| n* a* r |
| / 2 |
|
S =
$$S$$ = $$\frac{n\cdot a\cdot r}{2}$$
| n* a* r |
| / 2 |
S =
$$S$$ = $$\frac{a\cdot n\cdot r}{2}$$
| a* n* r |
| / 2 |
S = 0.5* a* n* r$$S$$ = $$0.5\cdot a\cdot n\cdot r$$