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Two triangles have sides 2, 3, 4 and 4, 6, 9. Are they similar?

Class 10Criteria for SimilarityGeometry — Similarity

ANo, ratios are not all equal
BYes, by SSS
CYes, by SAS
DYes, by AA

Step-by-Step Solution

\frac{2}{4} = \frac{1}{2}, \frac{3}{6} = \frac{1}{2}

but

\frac{4}{9}

is not

\frac{1}{2}

. Since not all ratios match, they are not similar.

Answer: A) No, ratios are not all equal

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