Class 9 Triangles Mock Test (ICSE)

Topics in Triangles

• Congruence criteria SSS, SAS, ASA, AAS and RHS
• Proofs using congruent triangles
• Corresponding parts of congruent triangles

Triangles practice questions with answers

1. Q1Multiple choice·1 mark
   Which of the following is not a valid criterion for the congruence of triangles?

   1. (a)RHS
   2. (b)ASA
   3. (c)SSA
   4. (d)SAS
   Show answer and step marks

   1. Correct option: (c) SSA+1

   Answer: (c)
2. Q2Multiple choice·1 mark
   If $\triangle XYZ \cong \triangle LMN$, which of the following is not necessarily true?

   1. (a)$XY = LM$
   2. (b)$\angle Y = \angle M$
   3. (c)$YZ = ML$
   4. (d)$XZ = LN$
   Show answer and step marks

   1. Correct option: (c) $YZ = ML$+1

   Answer: (c)

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