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In two similar triangles, the ratio of corresponding sides is called
AThe scale factor
BThe congruence factor
CThe midsegment ratio
DThe proportional constant
Answer & Solution
Correct answer: A. The scale factor
1. Similar polygons have proportional corresponding sides.
2. NCERT names this common ratio the scale factor (or representative fraction).
3. Hence option A.
_Source: NCERT Class 10 Mathematics, Ch 6 "Triangles", §6.3_
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