Question Number 4356 by Rasheed Soomro last updated on 12/Jan/16
Commented by Rasheed Soomro last updated on 12/Jan/16
$$\mathcal{D}{etermine}\:{area}\:{of}\:{above}\:{closed} \\ $$$${figure}\:\:{in}\:{the}\:{easiest}\:{way}. \\ $$
Answered by Rasheed Soomro last updated on 15/Jan/16
Commented by Rasheed Soomro last updated on 15/Jan/16
$$\mathrm{Area}\:\mathrm{of}\:\mathrm{square}\:=\:\mathrm{9}^{\mathrm{2}} =\mathrm{81} \\ $$$$\mathrm{Area}\:\mathrm{of}\:\mathrm{given}\:\mathrm{region}\:\mathrm{is}\:\mathrm{half}\:\mathrm{of}\:\mathrm{the}\:\mathrm{square}. \\ $$$$\mathrm{Area}\:\mathrm{of}\:\mathrm{given}\:\mathrm{region}=\frac{\mathrm{81}}{\mathrm{2}}=\mathrm{40}.\mathrm{5}\:\mathrm{units} \\ $$