If Delta ABC sim Delta PQR- ar- Delta ABC-16 cm-2 and ar-Delta PQR-81 cm-2- AB-2 cm PQ-

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Standard IX

Mathematics

Question

If $Δ A B C \sim Δ P Q R, a r (Δ A B C) = 16 c m^{2}$ and $a r (Δ P Q R) = 81 c m^{2}, A B = 2 c m$ find PQ.

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Δ A B C \sim Δ P Q R, a r (Δ A B C) = 16 c m^{2}

and

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If ΔABC∼ΔPQR, ar(ΔABC)=16 cm2 and ar(ΔPQR)=81 cm2,AB=2 cm find PQ.

If $Δ A B C \sim Δ P Q R, a r (Δ A B C) = 16 c m^{2}$ and $a r (Δ P Q R) = 81 c m^{2}, A B = 2 c m$ find PQ.