Answer:

154 cm³

Step-by-step explanation:

Given :-

Radius 3.5 cm

Height 12 cm

Answer :-

Volume of Cone

[tex] \frac{1}{3} \pi \: {r}^{2} h[/tex]

So,

[tex] \frac{1}{3} \times \frac{22}{7} \times 3.5 \times 3.5 \times 12[/tex]

= 1×22×0.5×3.5×4

= 154cm³