Two triangles ABC and PQR are similar, if BC : CA : AB = 1 : 2 : 3, then \[\frac{\text{QR}}{\text{PR}}\] is

Two triangles ABC and PQR are similar, if BC : CA : AB = 1 : 2 : 3, th

1.	Two triangles ABC and PQR are similar, if BC : CA : AB = 1 : 2 : 3, then \[\frac{\text{QR}}{\text{PR}}\] is
A.	\[\frac{2}{3}\]
B.	\[\frac{1}{2}\]
C.	\[\frac{1}{\sqrt{2}}\]
D.	\[\frac{2}{3}\]
Answer» C. \[\frac{1}{\sqrt{2}}\]

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Two triangles ABC and PQR are similar, if BC : CA : AB = 1 : 2 : 3, then \[\frac{\text{QR}}{\text{PR}}\] is

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