$I n Δ A B C a n d Δ D E F, it is given that AB = DE and BC = EF. In order that Δ A B C ≅ Δ D E F, we must have (a) ∠ A = ∠ D (b) ∠ B = ∠ E (c) ∠ C = ∠ F (d) none of these$

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Solution

ANSWER:
(b) ∠B=∠E
In △ABC and △DEF, we have:
AB = DE (Given)
BC = EF
(Given)
In order that △ABC≅DEF, we must have ∠B=∠E.

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In ΔABC and ΔDEF, it is given that AB = DE and BC = EF. In order that ΔABC≅ ΔDEF, we must have(a) ∠A=∠D (b) ∠B=∠E (c) ∠C=∠F (d) none of these

ANSWER: (b) ∠B=∠E In △ABC and △DEF, we have: AB = DE (Given) BC = EF (Given) In order that △ABC≅DEF, we must have ∠B=∠E.

$I n Δ A B C a n d Δ D E F, it is given that AB = DE and BC = EF. In order that Δ A B C ≅ Δ D E F, we must have (a) ∠ A = ∠ D (b) ∠ B = ∠ E (c) ∠ C = ∠ F (d) none of these$

ANSWER:
(b) ∠B=∠E
In △ABC and △DEF, we have:
AB = DE (Given)
BC = EF
(Given)
In order that △ABC≅DEF, we must have ∠B=∠E.