solve this ques. plz both
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properties of similar Δs
ΔPTS similar to ΔPQR
hence PS/PR =3/7=ST/QR
consider the heights are h₁, h₂
h₁/h₂=3/7
area ΔPTS/ΔPQR = 0.5*ST*h₁/0.5*QR*h₂=(ST/QR)(h₁/h₂)=3²/7²=9/49
ΔPTS similar to ΔPQR
hence PS/PR =3/7=ST/QR
consider the heights are h₁, h₂
h₁/h₂=3/7
area ΔPTS/ΔPQR = 0.5*ST*h₁/0.5*QR*h₂=(ST/QR)(h₁/h₂)=3²/7²=9/49
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