Students can Download Maths Chapter 4 Geometry Intext Questions and Answers, Notes Pdf, Samacheer Kalvi 7th Maths Book Solutions Guide Pdf helps you to revise the complete Tamilnadu State Board New Syllabus and score more marks in your examinations.

Tamilnadu Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions

Exercise 4.1
Try These (Text book Page No. 72)

Question 1.
Can you draw a shape which has no line of symmetry?
Solution:
Yes
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 1

Question 2.
Draw all possible line of symmetry for the following shapes.
Solution:
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 2

Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions

Think (Text book Page No. 73)

Question 1.
What can you say about the number of lines of symmetry of a circle?
Solution:
A circle has infinite number of lines of symmetry.

Try These (Text book Page No. 73)

Question 1.
Reflect the words CHEEK, BIKE, BOX with horizontal line.
Solution:
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 3

Question 2.
Reflect the following words with vertical line.
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 4
Solution:
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 5

Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions

Think (Textbook Page no.73)

Question 1.
Will the figure be symmetric about both the diagonals?
Solution:
Yes, it is symmetric about both the diagonals.
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 6

Try These (Text book Page No. 74)

Question 1.
Find the order of rotational symmetry of the following figures.
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 7
Solution:
Order of symmetry : 6
Order of symmetry : 3

Question 2.
Find the order of rotational symmetry for an equilateral triangle.
Solution:
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 8
For an equilateral triangle order of rotational symmetry is 3.

Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions

Think (Text book Page No. 74)

Question 1.
Can a parallelogram have a rotational symmetry?
Solution:
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 9
Yes, order of rotational symmetry is 2.

Try These (Text book Page No. 75)

Question 1.
Using translational symmetry make new pattern with the given figure.
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 10
Solution:
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 11

Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions

Try These (Text book Page No. 77)

Question 1.
Translate this figure to 4 → 3↑
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 12
Solution:
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 13

Question 2.
Translate this figure to 2 ↓ 1 ←
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 14
Solution:
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 15

Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions

Question 3.
How is the pre-image A translated to image A’ in each of the following figures?
(i)
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 16
(ii)
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 18
Solution:
(i) 8 →
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 17
(ii) 5 → 3 ↑
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 19

Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions

Think (Text book Page No. 78)

Question 1.
The pre-image and the image after a translation coincide. What can you say about the translation
Solution:
There is no right, left, up or down movement took place.

Try These (Text book Page No. 80)

Question 1.
Draw the line reflection in the following pictures.
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 20
Solution:
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 21

Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions

Question 2.
Reflect the shape with given line of reflection.
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 22
Solution:
Samacheer Kalvi 7th Maths Solutions Term 3 Chapter 4 Geometry Intext Questions 23

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