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Introduction to Geometric Constructions

If △ABC≅ △DEF...

Question

If $△ A B C ≅ △ D E F$ and $A B = 6 c m$ then side $D E$ is:

$5 c m$

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$6 c m$

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$7 c m$

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$8 c m$

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Solution

The correct option is B
$6 c m$

If two triangles are congruent then the corresponding sides and angles of one triangle is equal to the corresponding sides and angles of other triangle.
$△ A B C ≅ △ D E F$
$A B = 6 c m$
$∴ D E = 6 c m$

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Similar questions

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If A (△ ABC) = 9 {cm}^{2}, A (△ DEF) = 64 {cm}^{2} and DE = 5.6 cm, then find AB .

A B C

D E F

A B = D F

B C = D E

∠ B = ∠ D

△ A B C ≅

△

Δ A B C \sim Δ D E F

Δ A B C

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