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Standard VII

Mathematics

SAS Criteria for Congruency of Triangles

Which is the ...

Question

Which is the included angle between the sides $D E$ and $E F$ of $∠ D E F$ ?

∠D

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∠E

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∠F

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None of the above

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Solution

The correct option is B ∠E
$∠ E$ is included between sides $D E$ and $E F .$

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Similar questions

Q. If,

△

ABC is congruent to

△

DEF as side AB = side DE and side BC = side EF, then,

∠

C corresponds to which angle of

△

DEF?

In $△ D E F$ , the exterior angle at D measures $150^{\circ}$ and $∠ E$ measures $80^{\circ}$ . Which of the following options show the correct relation?

Q. Construct incircle of

△ D E F

in which DE = EF = 5.8 cm and

∠ D E F = 65^{o}

Q. Construct the incircle of

∆

DEF in which DE = EF= 5.8 cm,

∠

DEF= 65

°

Q. Question 6
If in two

Δ D E F a n d Δ P Q R, ∠ D = ∠ Q a n d ∠ R = ∠ E

, then which of the following is not true?

(A)

\frac{E F}{P R} = \frac{D F}{P Q}

(B)

\frac{D E}{P Q} = \frac{E F}{R P}

(C)

\frac{D E}{Q R} = \frac{D F}{P Q}

(D)

\frac{E F}{R P} = \frac{D E}{Q R}

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Which is the included angle between the sides DE and EF of ∠DEF?

The correct option is B ∠E∠E is included between sides DE and EF.

Which is the included angle between the sides $D E$ and $E F$ of $∠ D E F$ ?

The correct option is B ∠E
$∠ E$ is included between sides $D E$ and $E F .$