Question

If r = 7cm and h=10cm find volume of cone.​

Answer 1

Answer:

513.33

Step-by-step explanation:

volume of cone=1/3*pi*r^2*h

=1/3*22/7*7*7*10

=513.33

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Answer 2

$Area \: of \: cone = \pi \times r \times l + \pi \times {r}^{2} \\ l = \sqrt{r {}^{2} + h {}^{2} } \\ l = 12.206 \\ l = 12.21 \\ Area \: of \: cone = \pi\times r ( l + {r}) \\ = \frac{22}{7} \times 7(12 .21 + 7) \\ = 22(19.21) \\ = 422.62$