If ABC PQR in which AB = 6 cm, BC = 4 cm, AC = 8 cm and PR = 6 cm, then find the length of (PQ + QR) .

CBSE Class 10 Maths PYQ · Triangles · Similarity with Triangles · 2 Marks · March 2025 · Standard

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792 Marks · March 2025 · Standard
If $\Delta ABC \sim \Delta PQR$ in which $AB = 6$ cm, $BC = 4$ cm, $AC = 8$ cm and $PR = 6$ cm, then find the length of $(PQ + QR)$.
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$\frac{6}{PQ} = \frac{4}{QR} = \frac{8}{6} \implies PQ = \frac{9}{2}$ cm or $4.5$ cm and $QR = 3$ cm. $\therefore PQ + QR = 7.5$ cm.
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