Gr.9 Similar And Congruent Triangles

5 Questions | Total Attempts: 26

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Gr.9 Similar And Congruent Triangles

Gr. 9 Similar and congruent triangles.


Questions and Answers
  • 1. 
    Using the given information in each pair of triangles, decide whether there is sufficient information to state that the triangles are congruent. If they are, select the correct reason.
    • A. 

      ∆ABC ≡ ∆DEF (∠∠S )

    • B. 

      ∆ABC ≡∆DEF (∠ S S )

    • C. 

      Not congruent

    • D. 

      ∆ABC ≡∆DEF (∠ S∠ )

  • 2. 
    Decide whether the given triangles are congruent or not. Select the correct reason.
    • A. 

      ∆ABC ≡ ∆XYZ (∠S∠)

    • B. 

      ∆ABC ≡ ∆XYZ (S∠S)

    • C. 

      ∆ABC ≡ ∆XYZ (∠∠S)

    • D. 

      Not Congruent

  • 3. 
    Two triangles are similar if: Select  ALL the relevant answers.
    • A. 

      All the corresponding angles are equal

    • B. 

      All the corresponding sides are proportional

    • C. 

      Two equal sides and no equal corresponding angles

    • D. 

      None of the above.

  • 4. 
    Are the following triangle similar? Select the correct answer.
    • A. 

      No, they're not similar.

    • B. 

      Yes they are similar (S,S,S).

    • C. 

      Yes they are similar (S,∠,S) .

    • D. 

      Cannot be determined.

  • 5. 
    Triangles are similar if: Select ALL the relevant answers.
    • A. 

      All three pairs of corresponding sides are in the same proportion.

    • B. 

      Two pairs of sides in the same proportion and the included angle equal.

    • C. 

      They have the same shape, but cannot be different sizes.

    • D. 

      All three pairs of corresponding angles are the same.

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