# MCQ Questions | Class 9 Maths Chapter 7 | Triangles with Answers

## MCQ | Triangles Class 9

Check the below NCERT MCQ Questions for Class 9 Maths Chapter 7 Triangles with Answers Pdf free download. MCQ Questions for Class 9 Maths with Answers were prepared based on the latest exam pattern. We have Provided Triangles Class 9 Maths MCQs Questions with Answers to help students understand the concept very well.

### Objective Question | NCERT Maths Class 9

Book: National Council of Educational Research and Training (NCERT) Central Board of Secondary Education (CBSE) 9th Maths 7 Triangles English

#### Ncert Solutions for Class 9 Maths | Objective Type Questions

You can refer to NCERT Solutions for Class 9 Maths Chapter 7 Triangles to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.
##### Triangles | Class 9 Maths | NCERT Solutions
 Q1. class 9 ncert maths solutionsIn given figure, the measure of ?BAC is A. 60° B. 50° C. 70° D. 80°
Ans: 50°

 Q2. class 9 ncert maths solutions chapter 7In figure if AE || DC and AB = AC, find the value of ?ABD. A. 130° B. 110° C. 120° D. 70°
Ans: 130°

 Q3. mcq for class 9 maths chapter 7In figure X is a point in the interior of square ABCD, AXYZ is also a square. If DY = 3 cm and AZ = 2 cm, then find BY. A. 5 cm B. 6 cm C. 7 cm D. 8 cm
Ans: 7 cm

 Q4. mcq for class 9 maths TrianglesIn figure AB ? AE, BC ? AB, CE = DE and ?AED = 120°, then find ?ECD. A. 80° B. 70° C. 85° D. 60°
Ans: 60°

 Q5. mcq questions for class 9 maths chapter 7In ?ABC, ?C = ?A and BC = 4 cm and AC = 5 cm, then find length of AB. A. 5 cm B. 3 cm C. 4 cm D. 2.5 cm
Ans: 4 cm

 Q6. mcq questions for class 9 maths ncert chapter 7In ?ABC, AB = AC and ?B = 50°, then find ?C. A. 50° B. 40° C. 80° D. 120°
Ans: 50°

 Q7. mcq questions for class 9 maths Triangles with answersTwo equilateral triangles are congruent when: A. Their areas are proportional B. Their sides are equal C. Their sides are proportional D. Their angles are equal
Ans: Their sides are equal
 Q8. mcq questions for class 9 maths Triangles with answers pdfIt is not possible to construct a triangle when the lengths of its sides are A. 4 cm, 6 cm, 6 cm B. 9.3 cm, 5.2 cm, 7.4 cm C. 6 cm, 7 cm, 8 cm D. 5.3 cm, 2.2 cm, 3.1 cm
Ans: 5.3 cm, 2.2 cm, 3.1 cm
 Q9. mcq questions for class 9 maths with answers pdfWhich of the following statements is incorrect? A. Two squares having the same side length are congruent B. Two rectangles having the same area are congruent C. Two circles having the same radius are congruent D. Two lines having same length are congruent
Ans: Two rectangles having the same area are congruent
 Q10. ncert maths class 9 chapter 7ABC 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
Ans: BE = CF
 Q11. ncert maths class 9 chapter 7 exerciseWhich of the following is not a criterion for congruence of triangles? A. SSS B. SSA C. ASA D. SAS
Ans: SSA
 Q12. ncert maths class 9 chapter 7 examplesIn figure, D is the mid-point of side BC of a ?ABC and ?ABD = 50°. If AD = BD = CD, then find the measure of ?ACD. A. 30° B. 70° C. 80° D. 40°
Ans: 40°

 Q13. ncert maths class 9 exercise in englishIn figure, ABC is an isosceles triangle whose side AC is produce to E and through C, CD is drawn parallel to BA. Find the value of x. A. 52° B. 156° C. 76° D. 104°
Ans: 104°

 Q14. ncert maths class 9 pdfIn figure AB ? BE and EF ? BE. If BC = DE and AB = EF, then ?ABD is congruent to A. ?EFC B. ?ECF C. ?DEF D. ?FEC
Ans: ?FEC

 Q15. ncert maths class 9 solutionsD is a point on the side BC of a ?ABC such that AD bisects ?BAC. Then A. BD = CD B. BA > BD C. BD > BA D. CD > CA
Ans: BA > BD

 Q16. ncert maths class 9 textbookTwo 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
Ans: 3.4 cm

 Q17. ncert maths class 9 textbook pdf downloadIn ?PQR, if ?R > ?Q, then A. QR > PR B. PQ > PR C. PQ < PR D. QR < PR
Ans: PQ > PR

 Q18. cbse maths class 9 bookIn ?ABC, if ?B = 30° and ?C = 70°, then which of the following is the longest side? A. AB B. BC C. AC D. AB or AC
Ans: BC
 Q19. cbse maths class 9 chapter 7The angles opposite to equal sides of a triangle are: A. Equal B. Unequal C. supplementary angles D. Complementary angles
Ans: Equal
 Q20. cbse maths class 9 exerciseIf ABC is an equilateral triangle, then each angle equals to: A. 90° B. 180° C. 120° D. 60°
Ans: 60°