Class 9 Triangle Quiz Set 1

1. D is a point on the side BC of a ΔABC such that AD bisects ∠BAC. Then

 
 
 
 

2. All the medians of a triangle are equal in case of a:

 
 
 
 

3. Which of the following is not a criterion for congruence of triangles?

 
 
 
 

4. ABC is an isosceles triangle in which altitudes BE and CF are drawn to equal sides AC and AB, respectively. Then:

 
 
 
 

5. In ΔPQR, if ∠R > ∠Q, then

 
 
 
 

6. In ΔABC, ∠C = ∠A and BC = 4 cm and AC = 5 cm, then find length of AB.

 
 
 
 

7. In triangles ABC and DEF, AB = FD and ∠A = ∠D. The two triangles will be congruent by SAS axiom if

 
 
 
 

8. If AB = QR, BC = PR and CA = PQ, then

 
 
 
 

9. It is given that ∆ ABC ≅ ∆ FDE and AB = 5 cm, ∠B = 40° and ∠A = 80°. Then which of the following is true?

 
 
 
 

10. If E and F are the midpoints of equal sides AB and AC of a triangle ABC. Then:

 
 
 
 

11. If AD is an altitude of an isosceles triangle ABC in which AB = AC. Then:

 
 
 
 

12. If ∆ ABC ≅ ∆ PQR, then which of the following is not true?

 
 
 
 

13. If ABC and DBC are two isosceles triangles on the same base BC. Then:

 
 
 
 

14. In ΔABC, AB = AC and ∠B = 50°, then find ∠C.

 
 
 
 

15. In triangles ABC and PQR, AB = AC, ∠C = ∠P and ∠B = ∠Q. The two triangles are

 
 
 
 

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