# Gr.9 Similar And Congruent Triangles

5 Questions | Total Attempts: 26  Settings  Gr. 9 Similar and congruent triangles.

• 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. Back to top