Answers to Class 9 MathsMCQs from NCERT Chapter 7 Triangles can be found here. These MCQs will be very useful for the CBSE Class 9th Mathematics Term 1 Exam 2021-2022.

The CBSE Class 9 MCQs about Triangles were created exclusively by subject experts to assist students in preparing for the CBSE Class 9th Mathematics Term 1 Exam 2021-2022. These multiple-choice questions can be used to review the key concepts, formulae, and theories in Chapter 9 Maths Chapter 7-Triangles. These questions can be used to practice for the exam. These important questions are also available in PDF format via the link at the end.

**Below are MCQ Questions and Answers from CBSE Class 9 Mathematics Chapter 7 Triangles:**

**Q1.**If DE = QR, PR, and FD = Q, then there are two triangles: DEF and PQR.

**Q6.**It is stated that D ABC D FDE, AB = 5cm, B = 40deg, and A = 80deg are the values. Which of the following statements is true?

a) DF = 5cm, F = 60deg

b) DF = 5cm, E = 60deg

c) E = 60deg, DE = 5 cm

d) D = 40deg, DE = 5 cm

**Answer: (b).**

**Q7.**In the case of a, all the medians of triangles are equal

a) Scalene triangle

b) Right-angled triangle

c) Equilateral triangle

d) Isosceles triangle

**Answer:**

**Q8.**The given figure shows that PS is the median and QPS the lowest.

A) 40 ^{o}

b) 50

c) 80

d) 90 ^{or}

**Answer: (b).**

**Q9.**If Q is 90deg in triangle PQR, then:

A) PQ is the longest side

b) QR refers to the longest side

c) The longest side is PR

d) None

**Answer:**

**Q10.**The given figure shows that AB = AC and then B = 50deg. A is:

A) 50 ^{o}

b) 80

c) 100 ^{or}

d) 130 ^{or}

**Answer: (b).**

**Q11.**If the exterior angle of the figure is 135^{O}Then P is:

A) 45 ^{o}

b) 60

c) 80

d) 90 ^{or}

**Answer:**

**Q12.**If DPQR is used, then PQ = PR

a) P = R

b) Q = P

c) Q = R

d) None

**Answer:**

**Q13.**If ABC is a triangle, then B = 35deg andC = 60deg.

A) A = 80deg

b) A = 85deg

c) A = 120deg

d) A = 45deg

**Answer: (b).**

**Q14.**The triangles ABC, PQR are AB, C, P, and Q. These are the two triangles:

a) Congruent but not isosceles

b) Congruents and isosceles

c) Congruent, but not isosceles

d) Not congruent nor isosceles

**Answer:**

**Q15.**The triangles ABC and DEF have AB = FD, and A = D. SAS axiom will make the two triangles congruent if:

a) BC = E

b) AC = DE

c) AC = E

d) BC = DE

**Answer: (b).**