Question

If ΔABC ~ ΔPQR, ar(ΔABC) = 81 cm², ar(ΔPQR) = 144 cm² and QR = 6 cm, then length of BC is​

Answer 1

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Answer 2

Answer:

Hi

Explanation:

Given:ΔABC≈ΔPQR and ar(ΔABC)=81cm² and ar(ΔPQR)=144cm²    

           and QR=6cm  

To find:BC

Proof:ar(ΔABC)≈ar(ΔPQR)[Given]

              ∴BC=QR[∵When angles are equal then sides also will       be equal

               There proved BC=QR an QR=6cm then BC also 6cm because BC=QR

BC=6cm

              ∴Hence proved

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