Worksheet Question - Symmetry Class 7 Notes | EduRev

Mathematics (Maths) Class 7

Created by: Praveen Kumar

Class 7 : Worksheet Question - Symmetry Class 7 Notes | EduRev

The document Worksheet Question - Symmetry Class 7 Notes | EduRev is a part of the Class 7 Course Mathematics (Maths) Class 7.
All you need of Class 7 at this link: Class 7

Q.1. Fill in the blanks : (i) Rotation turns an object above a fixed point. This fixed point is called ............. 

(ii) Order of rotational symmetry of a circle is ..................
 (iii) Rhombus is a figure that has ............... lines of symmetry and has a rotational symmetry of order .....................
 (iv) ....................... is a figure that has neither a line of symmetry non a rotational symmetry. 

Ans. (i) Centre of rotation
(ii) Infinite or uncountable
(iii) 2, 2
(iv) Quadrilateral

Q.2. State whether the given statements are True or False :
 (i) A regular pentagon has no lines of symmetry.
 (ii) Mirror reflection leads to symmetry always.
 (iii) The number of lines of symmetry of a regular polygon is equal to the vertices of the polygon.
 (iv) An angle has two line symmetry. 

Ans. (i) False
(ii) False
(iii) Trure
(iv) False

Q.3. Draw all the lines of symmetry for the following letters of they exist.

Worksheet Question - Symmetry Class 7 Notes | EduRevWorksheet Question - Symmetry Class 7 Notes | EduRevWorksheet Question - Symmetry Class 7 Notes | EduRevWorksheet Question - Symmetry Class 7 Notes | EduRev

Ans. Worksheet Question - Symmetry Class 7 Notes | EduRevWorksheet Question - Symmetry Class 7 Notes | EduRevWorksheet Question - Symmetry Class 7 Notes | EduRevWorksheet Question - Symmetry Class 7 Notes | EduRev

Q.4. In each of the following figures write the number of lines of symmetry and order of rotational symmetry.

(i) Worksheet Question - Symmetry Class 7 Notes | EduRev(ii) Worksheet Question - Symmetry Class 7 Notes | EduRev(iii) Worksheet Question - Symmetry Class 7 Notes | EduRev(iv) Worksheet Question - Symmetry Class 7 Notes | EduRev

Ans. (i) 1
(ii) 2, 2
(iii) 0, 1
(iv) 4, 4

Q.5. Angle of rotation of a figure is 40°. What is the number of lines of symmetry?

Ans. 9

Q.6. What is the centre of rotation of a an equilateral triangle?

Ans. Centroid

Q.7. In the given square

Worksheet Question - Symmetry Class 7 Notes | EduRev

(i) Find the number of lines of symmetry. (ii) What is the order of rotational symmetry?

Ans. 4, 4

Q.8. In the given figure :

Worksheet Question - Symmetry Class 7 Notes | EduRev

(i) Find the order of rotational symmetry. (ii) Find the degree measure of the anlge of rotation.

Ans. 4, 90°

Q.9. Draw all lines of symmetry for each of the following figures given below :

(i)Worksheet Question - Symmetry Class 7 Notes | EduRev(ii)  Worksheet Question - Symmetry Class 7 Notes | EduRev(iii) Worksheet Question - Symmetry Class 7 Notes | EduRev(iv) Worksheet Question - Symmetry Class 7 Notes | EduRev

Ans. 

(i)

Worksheet Question - Symmetry Class 7 Notes | EduRev

Worksheet Question - Symmetry Class 7 Notes | EduRev

Worksheet Question - Symmetry Class 7 Notes | EduRev

Worksheet Question - Symmetry Class 7 Notes | EduRev

Q.10. Tell whether each figure has rotational symmetry or not.

(i) Worksheet Question - Symmetry Class 7 Notes | EduRev (ii) Worksheet Question - Symmetry Class 7 Notes | EduRev (iii) Worksheet Question - Symmetry Class 7 Notes | EduRev (iv) Worksheet Question - Symmetry Class 7 Notes | EduRev

Ans. (i) No

(ii) Yes

(iii) No

(iv) Yes

Complete Syllabus of Class 7

Dynamic Test

Content Category

Related Searches

Worksheet Question - Symmetry Class 7 Notes | EduRev

,

video lectures

,

Objective type Questions

,

Extra Questions

,

Free

,

MCQs

,

study material

,

past year papers

,

Sample Paper

,

practice quizzes

,

Worksheet Question - Symmetry Class 7 Notes | EduRev

,

mock tests for examination

,

Important questions

,

Summary

,

Worksheet Question - Symmetry Class 7 Notes | EduRev

,

ppt

,

pdf

,

Semester Notes

,

Viva Questions

,

shortcuts and tricks

,

Exam

,

Previous Year Questions with Solutions

;