# MCQ Questions | Class 9 Maths Chapter 10 | Circles with Answers

## MCQ | Circles Class 9

Check the below NCERT MCQ Questions for Class 9 Maths Chapter 10 Circles with Answers Pdf free download. MCQ Questions for Class 9 Maths with Answers were prepared based on the latest exam pattern. We have Provided Circles 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 10 Part-2 Circles English

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

You can refer to NCERT Solutions for Class 9 Maths Chapter 10 Circles to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.
##### Circles | Class 9 Maths | NCERT Solutions
 Q1. ncert maths class 9 textbook pdf downloadAn equilateral triangle of side 9 cm is inscribed a circle. The radius of the circle is A. 3 cm B. 3v2 cm C. 3v3 cm D. 6 cm
Ans: 3v3 cm

 Q2. cbse maths class 9 bookIn the given figure, ?ABC and ?DBC are inscribed in a circle such that ?BAC = 60° and ?DBC = 50°. then, ?BCD = A. 50° B. 60° C. 70° D. 80°
Ans: 70°

 Q3. cbse maths class 9 chapter 10In the given figure, O is the centre of a circle. If ?AOB = =100° and ?AOC = 90°, then ?BAC = A. 85° B. 80° C. 90° D. 75°
Ans: 85°

 Q4. cbse maths class 9 exerciseIn the given figure, O is the centre of a circle and ?AOC = 120°. Then, ?BDC = A. 60° B. 45° C. 30° D. 15°
Ans: 30°

 Q5. cbse maths class 9 sample paperIn the given figure, O is the centre of a circle in which ?OAB = 20° and ?OCB = 50°. Then, ?AOC = A. 50° B. 70° C. 20° D. 60°
Ans: 60°

 Q6. cbse maths class 9 solutions The angle subtended by the diameter of a semi-circle is: A. 90 B. 45 C. 180 D. 60
Ans: 180
 Q7. cbse maths class 9 syllabus The degree measure of a semicircle is A. 0° B. 90° C. 360° D. 180°
Ans: 180°
 Q8. cbse maths class 9 textbook pdf In a circle with center O and a chord BC, points D and E lie on the same side of BC. Then, if?BDC=80°, then ?BEC = A. 80° B. 20° C. 160° D. 40°
Ans: 80°
 Q9. class 9 cbse maths book If a line intersects two concentric circles with centre O at A, B, C and D, then: A. AB = CD B. AB > CD C. AB < CD D. None of the above
Ans: AB = CD
 Q10. class 9 cbse maths chapter 10 solutionsIn the given figure, O is the centre of a circle in which ?AOC = 100° side AB of quadrilateral OABC has been produced to D. Then, ?CBD = A. 50° B. 40° C. 25° D. 80°
Ans: 50°

 Q11. class 9 cbse maths chapter 10In the given figure, O is the centre of a circle and ?OAB = 50°. Then, ?BOD = A. 130° B. 50° C. 100° D. 80°
Ans: 100°

 Q12. class 9 cbse maths paperIn the given figure, ABCD is the cyclic quadrilateral in which BC = CD and ?CBD = 35°. Then, ?BAD = A. 65° B. 70° C. 110° D. 90°
Ans: 70°

 Q13. class 9 cbse maths sample paperIn figure, ?ABC is an equilateral triangle and ABDC is a quadrilateral then ?BDC = A. 90° B. 60° C. 120° D. 150°
Ans: 120°

 Q14. class 9 cbse maths solutionsIn figure, sides AB and AD of a quadrilateral ABCD are produced to E and F respectively. If ?CBE = 100°, then find ?CDF. A. 100° B. 80° C. 130° D. 90°
Ans: 80°

 Q15. class 9 cbse maths syllabusIn figure, O is the centre of a circle and ?AOB = 140°, then ?ACB = A. 70° B. 80° C. 110° D. 40°
Ans: 110°

 Q16. class 9 maths syllabusIn figure, O is the centre of a circle and ?AOB = 130°, then ?ACB = A. 50° B. 65° C. 115° D. 155°
Ans: 115°