V = * π
* h* ( h^2+ 3* r^2)$$V$$ = $$\frac{1}{6}\cdot \pi\cdot h\cdot (h^{2}+3\cdot r^{2})$$ V = | h^3* π |
|
| / 6 |
+ | r^2* h* π |
|
| / 2 |
$$V$$ = $$\frac{h^{3}\cdot \pi}{6}+\frac{r^{2}\cdot h\cdot \pi}{2}$$ V = + $$V$$ = $$\frac{12^{3}\cdot 3.14}{6}+\frac{7^{2}\cdot 12\cdot 3.14}{2}$$ V = + $$V$$ = $$\frac{1728\cdot 3.14}{6}+\frac{7^{2}\cdot 12\cdot 3.14}{2}$$ V = 288* 3.14+ $$V$$ = $$288\cdot 3.14+\frac{7^{2}\cdot 12\cdot 3.14}{2}$$ V = 904.32+ $$V$$ = $$904.32+\frac{7^{2}\cdot 12\cdot 3.14}{2}$$ V = 904.32+ $$V$$ = $$904.32+\frac{49\cdot 12\cdot 3.14}{2}$$ V = 904.32+ 49* 6* 3.14$$V$$ = $$904.32+49\cdot 6\cdot 3.14$$
V = 904.32+923.16$$V$$ = $$904.32+923.16$$
V = 1827.48$$V$$ = $$1827.48$$