Question

Answer of the attachment​

Answer 1

Heya mate!!

If u fold the triangle then the hight will be 8cm

and radius of cone will be 6cm .

Volume of cone is

$\pi {r}^{2} h$

$\frac{1}{3} \times \frac{22}{7} \times 6 \times 6 \times 8 = 301.7 {cm}^{3}$