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Question-104390




Question Number 104390 by I want to learn more last updated on 21/Jul/20
Answered by som(math1967) last updated on 21/Jul/20
((XP)/(PY))=(2/3)   ((XP)/(XY))=(2/5)  ((Ar△XPQ)/(Ar△XYZ))=(4/(25))  ((24)/(△XYZ))=(4/(25))  ∴△XYZ=150cm^2   ∴ Ar.trap.PQZY=150−24  =126cm^2  ans
$$\frac{\mathrm{XP}}{\mathrm{PY}}=\frac{\mathrm{2}}{\mathrm{3}} \\ $$$$\:\frac{\mathrm{XP}}{\mathrm{XY}}=\frac{\mathrm{2}}{\mathrm{5}} \\ $$$$\frac{\mathrm{Ar}\bigtriangleup\mathrm{XPQ}}{\mathrm{Ar}\bigtriangleup\mathrm{XYZ}}=\frac{\mathrm{4}}{\mathrm{25}} \\ $$$$\frac{\mathrm{24}}{\bigtriangleup\mathrm{XYZ}}=\frac{\mathrm{4}}{\mathrm{25}} \\ $$$$\therefore\bigtriangleup\mathrm{XYZ}=\mathrm{150cm}^{\mathrm{2}} \\ $$$$\therefore\:\mathrm{Ar}.\mathrm{trap}.\mathrm{PQZY}=\mathrm{150}−\mathrm{24} \\ $$$$=\mathrm{126cm}^{\mathrm{2}} \:\mathrm{ans} \\ $$

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