NCERT Class 7 Maths Chapter 7 A Tale of Three Intersecting Lines Worksheet with Answers

NCERT Class 7 Maths Chapter 7 A Tale of Three Intersecting Lines Worksheet with Answers

Class 7 Maths Chapter 7 Worksheet

Fill in the Blanks

1. Two intersecting lines meet at one __________.
Answer: Point

2. Vertically opposite angles are always __________.
Answer: Equal

3. The sum of angles on a straight line is __________.
Answer: 180°

4. The sum of angles around a point is __________.
Answer: 360°

5. Perpendicular lines form an angle of __________.
Answer: 90°


Write True or False

6. Vertically opposite angles are equal.
Answer: True

7. Adjacent angles on a straight line add up to 180°.
Answer: True

8. Three intersecting lines can form six angles.
Answer: True

9. Parallel lines intersect at one point.
Answer: False

10. Perpendicular lines intersect at 90°.
Answer: True


Short Answer Questions

11. If one angle is 70°, find its vertically opposite angle.
Answer: 70°

12. If one angle on a straight line is 115°, find the adjacent angle.
Answer: 65°

13. What is the sum of all angles around a point?
Answer: 360°

14. Give one real-life example of intersecting lines.
Answer: A road crossing (crossroads).

15. State two properties of intersecting lines.
Answer:

  1. Vertically opposite angles are equal.
  2. Adjacent angles on a straight line add up to 180°.

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