Practice MCQs on Lines and Angles Concepts
Practice MCQs on Lines and Angles Concepts
Class: 6 | Subject: Mathematics | Chapter: 2 – Lines and Angles | Topic: Lines & Angles Concepts
CBSE Board Examination Practice
CBSE Board Examination Practice
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the CBSE curriculum based on NCERT books, making them ideal for CBSE Class 6 Mathematics exam preparation.
1. A line segment has:
Answer: C) Two endpoints
Explanation: A line segment is bounded by two fixed endpoints.
Explanation: A line segment is bounded by two fixed endpoints.
2. A ray starts from a fixed point and extends:
Answer: B) In one direction
3. Two intersecting lines form how many angles?
Answer: D) 4
Step: When two lines cross, four angles are formed at the intersection.
Step: When two lines cross, four angles are formed at the intersection.
4. Lines that never meet are called:
Answer: B) Parallel
5. Perpendicular lines form an angle of:
Answer: C) 90°
6. An angle greater than 90° but less than 180° is:
Answer: B) Obtuse
7. The measure of a straight angle is:
Answer: C) 180°
8. The full rotation of an angle is:
Answer: D) 360°
9. Which angle is smallest?
Answer: A) 30°
10. The arms of an angle are:
Answer: B) Rays
11. The common endpoint of two rays is called:
Answer: A) Vertex
12. Which pair makes a straight angle?
Answer: B) 90° + 90°
Step: 90 + 90 = 180°.
Step: 90 + 90 = 180°.
13. Complementary angles sum to:
Answer: B) 90°
14. Supplementary angles sum to:
Answer: C) 180°
15. If one angle is 40° and another is 50°, they are:
Answer: B) Complementary
40 + 50 = 90°.
40 + 50 = 90°.
16. An angle less than 90° is always:
Answer: A) Acute
17. Clock hands at 6:00 form:
Answer: B) 180°
18. If two lines meet at 90°, they are:
Answer: C) Perpendicular
19. The measure of half a straight angle is:
Answer: C) 90°
20. Which is the largest?
Answer: D) Straight angle
Explanation: 180° is larger than acute, right, and obtuse angles.
Explanation: 180° is larger than acute, right, and obtuse angles.
