MCQs Questions for Class 9 Maths Chapter 7 Triangles

# MCQs Questions for Class 9 Maths Chapter 7 Triangles

MCQs Questions for Class 9 Maths Chapter 7 Triangles

In this 21st century, Multiple Choice Questions (MCQs) play an important role to prepare for a competitive examination. Now-a-days, MCQs questions are asked in CBSE board examinations as well. In most of the competitive examinations, only MCQ Questions are asked.

In future, if you want to prepare for competitive examination, then you should focus on the MCQs questions. Thus, let’s solve these MCQs questions to make our foundation strong.

In this post, you will find 20 MCQs questions for class 9 maths chapter 7 triangles.

MCQs Questions for Class 9 Maths Chapter 7 Triangles

1. In two triangles DEF and PQR, if DE = QR, EF = PR and FD = PQ, then

(a) ∆DEF PQR

(b) ∆FED PRQ

(c) ∆EDF RPQ

(d) ∆PQR EFD

2. In Î”ABC, C = A, BC = 4 cm and AC = 5 cm, then find the length of AB.
(a) 5 cm
(b) 3 cm
(c) 4 cm
(d) 2.5 cm

3. If E and F are the midpoints of equal sides AB and AC of a triangle ABC, then:
(a) BF = AC
(b) BF = AF
(c) CE = AB
(d) BF = CE

4. In ∆ABC, BC = AB and B = 80°. Then A is equal to:

(a) 80o

(b) 40o

(c) 50o

(d) 100o

5. In Î”ABC, if AB = AC and B = 50°, then find C.
(a) 50°
(b) 40°
(c) 80°
(d) 120°

6. ABC is an isosceles triangle in which altitudes BE and CF are drawn to equal sides AC and AB respectively. Then:
(a) BE > CF
(b) BE < CF
(c) BE = CF
(d) None of the above

7. In ∆PQR, if R > Q, then

(a) QR > PR

(b) PQ > PR

(c) PQ < PR

(d) QR < PR

8. D is a point on the side BC of a Î”ABC such that AD bisects BAC. Then
(a) BD = CD
(b) BA > BD
(c) BD > BA
(d) CD > CA

9. If AD is an altitude of an isosceles triangle ABC in which AB = AC. Then:
(a) BD = CD
(b) BD > CD
(c) BD < CD
(d) None of the above

10. It is given that Î” ABC Î” FDE and AB = 5 cm, B = 40° and A = 80°. Then which of the following is true?

(a) DF = 5 cm, F = 60°

(b) DF = 5 cm, E = 60°

(c) DE = 5 cm, E = 60°

(d) DE = 5 cm, D = 40°

11. Two sides of a triangle are of lengths 5 cm and 1.5 cm. The length of the third side of the triangle cannot be
(a) 3.6 cm
(b) 4.1 cm
(c) 3.8 cm
(d) 3.4 cm

12. For two triangles, if two angles and the included side of one triangle are equal to two angles and the included side of another triangle. Then the congruency rule is:
(a) SSS
(b) ASA
(c) SAS
(d) None of the above

13. In triangle PQR, if Q = 90°, then:

(a) PQ is the longest side

(b) QR is the longest side

(c) PR is the longest side

(d) None of these

14. In a triangle ABC, B = 35° and C = 60°, then
(a)
A = 80°
(b)
A = 85°
(c)
A = 120°
(d)
A = 145°

15. In the given figure, the measure of BAC is

(a) 60°

(b) 50°
(c) 70°
(d) 80

16. In the given figure, if PS is the median, then QPS = ?

(a) 40o

(b) 50o
(c) 80o
(d) 90o

17. In the given figure, AB AE, BC AB, CE = DE and AED = 120°, then find ECD.

(a) 80°

(b) 70°
(c) 85°
(d) 60°

18. In the given figure, ABC is an isosceles triangle whose side AC is produced to E and through C, CD is drawn parallel to BA. Find the value of x.

(a) 52°

(b) 156°
(c) 76°
(d) 104°

19. In the given figure, if the exterior angle is 135o, then P is:

(a) 45o

(b) 60o
(c) 80o
(d) 90o

20. In the given figure, AB BE and EF BE. If BC = DE and AB = EF, then Î”ABD is congruent to

(a) Î”EFC

(b) Î”ECF
(c) Î”DEF
(d) Î”FEC