**MCQs Questions for Class 9 Maths Chapter 7 Triangles**

In this 21^{st} 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

**Answer:
b**

**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

**Answer:
c**

**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

**Answer:
d**

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

(a)
80^{o}

(b)
40^{o}

(c)
50^{o}

(d)
100^{o}

**Answer:
c**

**5. **In Î”ABC, if AB = AC and ∠B = 50°, then find ∠C.

(a) 50°

(b) 40°

(c) 80°

(d) 120°

**Answer:
a**

**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

**Answer:
c**

**7.** In
∆PQR, if ∠R > ∠Q, then

(a) QR > PR

(b) PQ > PR

(c) PQ < PR

(d) QR < PR

**Answer:
b**

**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

**Answer:
b**

**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

**Answer:
c**

**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°

**Answer:
b**

**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

**Answer:
d**

**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

**Answer:
b**

**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

**Answer:
c**

**14.** In a triangle ABC, ∠B = 35° and ∠C = 60°, then

(a) ∠A
= 80°

(b) ∠A
= 85°

(c) ∠A
= 120°

(d) ∠A
= 145°

**Answer:
b**

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

(a) 60°

(b) 50°

(c) 70°

(d) 80

**Answer:
b**

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

(a) 40^{o}

(b) 50^{o}

(c) 80^{o}

(d) 90^{o}

**Answer:
b**

**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°

**Answer:
d**

**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°

**Answer:
d**

**19. **In the given figure, if the exterior angle is 135^{o},
then ∠P is:

(a) 45^{o}

(b) 60^{o}

(c) 80^{o}

(d) 90^{o}

**Answer:
d**

**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

**Answer:
d**