Question Number 138569 by I want to learn more last updated on 14/Apr/21
Answered by mr W last updated on 15/Apr/21
$$\left({a}\right) \\ $$$$\mathrm{2}{b}×{c}×\frac{{c}}{\mathrm{2}}={a}×{b}×\frac{{b}}{\mathrm{2}} \\ $$$$\Rightarrow{c}=\sqrt{\frac{{ab}}{\mathrm{2}}} \\ $$
Commented by I want to learn more last updated on 15/Apr/21
$$\mathrm{Thanks}\:\mathrm{sir},\:\mathrm{i}\:\mathrm{appreciate}. \\ $$