Question Number 172225 by mnjuly1970 last updated on 24/Jun/22
Answered by infinityaction last updated on 24/Jun/22
Commented by mnjuly1970 last updated on 24/Jun/22
$${thanks}\:{alot}\:{sir} \\ $$
Commented by infinityaction last updated on 24/Jun/22
$$\:\:{A}\:=\:\frac{\pi\left(\sqrt{\mathrm{20}}\right)^{\mathrm{2}} }{\mathrm{4}}\:\:=\:\:\mathrm{5}\pi \\ $$