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प्रश्न
If in ΔABC and ΔDEF, `(AB)/(DE) = (BC)/(FD)`, then they will be similar, when ______.
रिक्त स्थान भरें
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उत्तर
If in ΔABC and ΔDEF, `(AB)/(DE) = (BC)/(FD)`, then they will be similar, when ∠B = ∠D.
Explanation:
If two sides of one triangle are proportional to two sides of another triangle and the angle included between those sides is equal, then the triangles are similar by the SAS (side–angle–side) similarity criterion.
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