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India
Class IX

Similarity in Triangles

Interactive practice questions

Consider the two similar triangles.

a

By filling in the gaps, match the corresponding angles.

$\angle$$D$D corresponds to $\angle$$\editable{}$

$\angle$$E$E corresponds to $\angle$$\editable{}$

$\angle$$C$C corresponds to $\angle$$\editable{}$

b

$CD$CD corresponds to which side in $\triangle LMN$LMN?

$LN$LN

A

$ML$ML

B

$MN$MN

C
c

$CE$CE corresponds to which side in $\triangle LMN$LMN?

$LN$LN

A

$MN$MN

B

$ML$ML

C
Easy
1min

Consider the two similar triangles.

Easy
< 1min

Given that all three angles in one triangle match all three angles in another triangle, can you be sure these triangles are similar?

Easy
< 1min

Consider the two similar triangles.

Easy
< 1min
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Outcomes

9.G.T.1

Two triangles are congruent if any two sides and the included angle of one triangle is equal to any two sides and the included angle of the other triangle (SAS Congruence). Two triangles are congruent if any two angles and the included side of one triangle is equal to any two angles and the included side of the other triangle (ASA Congruence). Two triangles are congruent if the three sides of one triangle are equal to three sides of the other triangle (SSS Congruence).

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