∆ABC ও ∆DEF এ \(\frac{AB}{DE}=\frac{BC}{FD}=\frac{AC}{EF}\) হলে, (a) \(\angle\)B=\(\angle\)E (b) \(\angle\)A=\(\angle\)D (c) \(\angle\)B=\(\angle\)D (d) \(\angle\)A=\(\angle\)F

Answer: C
\(\cfrac{AB}{DE}=\cfrac{BC}{FD}=\cfrac{AC}{EF}\) হলে, \(∠A=∠E;∠B=∠D\) এবং \(∠C=∠F\) হবে ।

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