Question Number 102991 by I want to learn more last updated on 12/Jul/20
Answered by mr W last updated on 12/Jul/20
$${R}^{\mathrm{2}} =\left({R}−\mathrm{8}\right)^{\mathrm{2}} +\left(\frac{\mathrm{64}}{\mathrm{2}}\right)^{\mathrm{2}} \\ $$$$\Rightarrow{R}=\mathrm{68} \\ $$
Commented by I want to learn more last updated on 12/Jul/20
$$\mathrm{Thanks}\:\mathrm{sir}. \\ $$