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CBSE 7th Standard Mathematics Symmetry Model Questions Papers Study Material - QB365 Set C

Published on: 31/10/2025

Question Set C

CBSE 7th Standard Mathematics Symmetry Model Questions Papers Study Material - QB365

Download CBSE Class 7th Standard CBSE Mathematics question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 7th Standard CBSE Mathematics

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Std: 7th Standard CBSE - Mathematics

chapter: Symmetry - Model Questions Papers

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Questions:

State the number of lines of symmetry for the following figures.
(a) An equilateral triangle
(b) An isosceles triangle
(c) A scalene triangle
(d) A square
(e) A rectangle
(f) A rhombus
(g) A parallelogram
(h) A quadrilateral
(i) A regular hexagon
(j) A circle

Some of the English alphabets have fascinating symmetrical structures. Which capital letters have just one line of symmetry (like E)? Which capital letters have a rotational symmetry of order 2 (like I)? .By attempting to think on such lines, you will be able to fill in the following table.

Alphabet letters	Line symmetry	Number of lines of symmetry	Rotational symmetry	Order of rotational symmetry
Z	No	0	Yes	2
S
H	Yes		Yes
O	Yes		Yes
E	Yes
N			Yes
C

State the order of rotation and angle of rotation of the following figure.

Draw all lines of symmetry for each of the following figure.

Trace each figure. Then, draw all lines of symmetry, if it has.

Does the following figure have rotational symmetry?

Draw all lines of symmetry for each of the following figures as given below.

10.

Draw all the symmetry lines for the following figures.

11.

Draw all the symmetry lines for the following figures.

12.

Draw all the symmetry lines for the following figures.

13.

Given the line of symmetry, find the other hole.

14.

State the number of lines of symmmetry in rectangle.

15.

What other name can you give to the line of symmetry of a circle?

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Answers Key:

Number of lines of symmetry for the given figures arc as follows:

Figure	lines of symmetry
(a) An equilateral triangle	3
(b) An isosceles triangle	1
(c) A scalene triangle	0
(d) A square	4
(e) A rectangle	2
(f) A rhombus	2
(g) A parallelogram (not a special type of parallelogram e.g. square, rectangle, rhombus, etc)	0
(h) A quadrilateral (not a special type of quadrilateral e.q. square, rectangle, rhombus,etc.)	0
(i) A regular hexagon	6
(j) A circle	Infinite

We know that, a figure has line of symmetry if there is a line about which the figure may be folded, so that the two parts of the figure will coincide and a figure has a rotational symmetry if after a rotation, the figure looks exactly the same. Then, the complete table is shown below: