NCERT Class 7 Maths Part 2 Chapter 1 Geometric Twins Worksheet with Answers

NCERT Class 7 Maths Part 2 Chapter 1 Geometric Twins Worksheet with Answers

Class 7 Maths Part 2 Chapter 1 Worksheet

Fill in the Blanks

1. Figures having the same shape and the same size are called __________ figures.
Answer: Congruent

2. A square has __________ lines of symmetry.
Answer: 4

3. A rectangle has __________ lines of symmetry.
Answer: 2

4. Reflection produces a __________ image.
Answer: Mirror

5. Translation means __________ a figure without turning it.
Answer: Sliding


Write True or False

6. All congruent figures are similar.
Answer: True

7. A circle has infinitely many lines of symmetry.
Answer: True

8. A scalene triangle has no line of symmetry.
Answer: True

9. Rotation changes the size of a figure.
Answer: False

10. Symmetry is commonly found in nature and architecture.
Answer: True


Short Answer Questions

11. What are congruent figures?
Answer: Congruent figures have the same shape and the same size.

12. How many lines of symmetry does an equilateral triangle have?
Answer: 3

13. Name any one transformation that changes only the position of a figure.
Answer: Translation (or Rotation/Reflection)

14. Give one real-life example of symmetry.
Answer: Butterfly, leaf, or human face.

15. Why is symmetry important in geometry?
Answer: It helps us understand balanced shapes, patterns, designs, and geometric constructions.

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