Question
Download Solution PDFLet ΔABC ∼ Δ PQR and ar(∆ABC)/ar(∆PQR) =4/25. If AB = 12 cm, BC = 8 cm and AC = 9 cm, then QR is equal to:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFΔABC ∼ ΔPQR
∴ (BC/QR)2 = ar(∆ABC)/ar(∆PQR)
⇒ (8/QR)2 = 4/25
⇒ 8/QR = 2/5
∴ QR = 20 cm
Note∶ The question was incorrect in the official paper. It has been corrected and updated it accordingly.
Last updated on May 28, 2025
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