Question Number 71673 by TawaTawa last updated on 18/Oct/19
Commented by TawaTawa last updated on 18/Oct/19
$$\mathrm{God}\:\mathrm{bless}\:\mathrm{you}\:\mathrm{sir} \\ $$
Answered by mind is power last updated on 18/Oct/19
$$\mathrm{v}=\frac{\mathrm{5}}{\mathrm{6}}.\pi.\mathrm{7}^{\mathrm{2}} ×\mathrm{2}=\frac{\mathrm{245}\pi}{\mathrm{3}} \\ $$
Commented by TawaTawa last updated on 18/Oct/19
$$\mathrm{God}\:\mathrm{bless}\:\mathrm{you}\:\mathrm{sir} \\ $$