If for triangle ABC and triangle DEF, the correspondence CAB = EDF gives a congruence, then which of the following is not true?

AC = EF

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AB = DF

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Angle A = Angle D

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Angle C = Angle E

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Solution

The correct option is A
AC = EF

For triangles ABC and DEF, the correspondence CAB and EDF are congruent.
So, we have,
CA = ED
AB = DF
CB = EF
Angle C = Angle E
Angle A = Angle D
Angle B = Angle F

Thus, AC is not equal to EF.
So, option (a) is correct.

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Question 42

If for $Δ A B C$ and $Δ D E F$ , the correspondence $C A B \leftrightarrow E D F$ gives a congruence, then which of the following is not true?

a) AC = DE
b) AB = EF
c) $∠ A = ∠ D$
d) $∠ C = ∠ E$

△ A B C \sim △ E D F

△ A B C

△ D E F,

$If in △ C A B and △ F E D,$

$\frac{A B}{E F} = \frac{B C}{F D} = \frac{A C}{E D}$ ,

$then which of the following is true?$

△ A B C \sim △ D E F

△ A B C

△ D B C

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