Question Paper
Class / Subject: Class 9 (ICSE) · Mathematics
Chapter: Chapter 11 — Chapter 11: Inequalities
Time Allowed: 32 minutes
Max Marks: 16
1. What side is opposite the largest angle? [1]
(A) The longest side
(B) The shortest side
(C) Any side, no relationship
(D) No specific side
2. What side is opposite the smallest angle? [1]
(A) The shortest side
(B) The longest side
(C) Any side, no relationship
(D) No specific side
3. What does the triangle inequality theorem state? [1]
(A) Sum of two sides must be greater than the third
(B) Sum of two sides equals the third
(C) Sum of two sides is less than the third
(D) No relationship exists
4. Can sides 2, 3, 10 form a triangle? [1]
(A) No, since 2+3<10
(B) Yes, always
(C) Only sometimes
(D) This cannot be determined
5. Can sides 5, 6, 7 form a triangle? [1]
(A) Yes, since all combinations satisfy the theorem
(B) No, never
(C) Only sometimes
(D) This cannot be determined
6. Why check the triangle inequality? [1]
(A) To verify if three lengths can form a triangle
(B) No reason
(C) It's not useful
(D) Only for tests
7. Does this inequality apply to all triangles? [1]
(A) Yes
(B) No, only right triangles
(C) No, only equilateral triangles
(D) No, only isosceles triangles
8. Why learn these inequalities? [1]
(A) To solve triangle-related geometry problems
(B) No reason
(C) It's not useful
(D) Only for tests
9. What side is opposite the largest angle? [1]
(A) The longest side
(B) The shortest side
(C) Any side, no relationship
(D) No specific side
10. What side is opposite the smallest angle? [1]
(A) The shortest side
(B) The longest side
(C) Any side, no relationship
(D) No specific side
11. What does the triangle inequality theorem state? [1]
(A) Sum of two sides must be greater than the third
(B) Sum of two sides equals the third
(C) Sum of two sides is less than the third
(D) No relationship exists
12. Can sides 2, 3, 10 form a triangle? [1]
(A) No, since 2+3<10
(B) Yes, always
(C) Only sometimes
(D) This cannot be determined
13. Can sides 5, 6, 7 form a triangle? [1]
(A) Yes, since all combinations satisfy the theorem
(B) No, never
(C) Only sometimes
(D) This cannot be determined
14. Why check the triangle inequality? [1]
(A) To verify if three lengths can form a triangle
(B) No reason
(C) It's not useful
(D) Only for tests
15. Does this inequality apply to all triangles? [1]
(A) Yes
(B) No, only right triangles
(C) No, only equilateral triangles
(D) No, only isosceles triangles
16. Why learn these inequalities? [1]
(A) To solve triangle-related geometry problems
(B) No reason
(C) It's not useful
(D) Only for tests