Aprēķins: E54rEL - 1
S =
| (a+b)* h |
| / 2 |
|
S =
$$S$$ = $$\frac{(a+b)\cdot h}{2}$$
| (a+b)* h |
| / 2 |
| (a+b)* h |
| / 2 |
(a+b)* h = 2* S$$(a+b)\cdot h$$ = $$2\cdot S$$
h =
$$h$$ = $$\frac{2\cdot S}{a+b}$$
| 2* S |
| / (a+b) |
h =
$$h$$ = $$\frac{2\cdot 75}{20+30}$$
| 2* 75 |
| / (20+30) |
h =
$$h$$ = $$\frac{2\cdot 75}{50}$$
| 2* 75 |
| / 50 |
h =
$$h$$ = $$\frac{75}{25}$$
| 75 |
| / 25 |
h = 3$$h$$ = $$3$$