question_answer

Given\[xy=4\,cm\],\[\text{QR}=\text{8 cm}\]and area of \[\Delta PXY=25\,sq.cm\], what is the area of\[\Delta \text{PQR}\]?

A)  \[\text{49 c}{{\text{m}}^{\text{2}}}\]                                   

B)  \[\text{81 c}{{\text{m}}^{\text{2}}}\]

C)  \[\text{64}\,\text{c}{{\text{m}}^{\text{2}}}\]                                   

D)  \[\text{1}00\,\text{c}{{\text{m}}^{\text{2}}}\]