Tiwari Academy Discussion

Rasika

Asked: March 25, 2021In: Class 7 Maths

Can we have a rotational symmetry of order more than 1 whose angle of rotation is: (i) 45° (ii) 17°?

NCERT Solutions for Class 7 Mathematics Chapter 14 Important NCERT Questions Class vii Math Chapter 14 Symmetry Exercise 14.3 NCERT Books for Session 2022-2023 CBSE Board Questions No: 7

Rasika

Asked: March 25, 2021In: Class 7 Maths

After rotating by 60° about a centre, a figure looks exactly the same as its original position. At what other angles will this happen for the figure?

NCERT Solutions for Class 7 Mathematics Chapter 14 Important NCERT Questions Class vii Math Chapter 14 Symmetry Exercise 14.3 NCERT Books for Session 2022-2023 CBSE Board Questions No: 6

Rasika

Asked: March 25, 2021In: Class 7 Maths

Name the quadrilateral which has both line and rotational symmetry of order more than 1.

NCERT Solutions for Class 7 Mathematics Chapter 14 Important NCERT Questions Class vii Math Chapter 14 Symmetry Exercise 14.3 NCERT Books for Session 2022-2023 CBSE Board Questions No: 5

Rasika

Asked: March 25, 2021In: Class 7 Maths

In a figure has two or more lines of symmetry, should it have rotational symmetry of order more than 1?

NCERT Solutions for Class 7 Mathematics Chapter 14 Important NCERT Questions Class vii Math Chapter 14 Symmetry Exercise 14.3 NCERT Books for Session 2022-2023 CBSE Board Questions No: 3

Rasika

Asked: March 25, 2021In: Class 7 Maths

Draw, wherever possible, a rough sketch of: (I) a triangle with both line and rotational symmetries of order more than 1. (ii) a triangle with only line symmetry and no rotational symmetry of order more than 1. (iii) a quadrilateral with a rotational symmetry of order more than 1 but not a line symmetry. (iv) a quadrilateral with line symmetry but not a rotational symmetry of order more than 1.

NCERT Solutions for Class 7 Mathematics Chapter 14 Important NCERT Questions Class vii Math Chapter 14 Symmetry Exercise 14.3 NCERT Books for Session 2022-2023 CBSE Board Questions No: 2

Rasika

Asked: March 25, 2021In: Class 7 Maths

Give the order the rotational symmetry for each figure:

NCERT Solutions for Class 7 Mathematics Chapter 14 Important NCERT Questions Class vii Math Chapter 14 Symmetry Exercise 14.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 2

Rasika

Asked: March 25, 2021In: Class 7 Maths

Which of the following figures have rotational symmetry of order more than 1:

NCERT Solutions for Class 7 Mathematics Chapter 14 Important NCERT Questions Class vii Math Chapter 14 Symmetry Exercise 14.2 NCERT Books for Session 2022-2023 CBSE Board Questions No: 1

Rasika

Asked: March 25, 2021In: Class 7 Maths

What other name can you give to the line of symmetry of: (a) an isosceles triangle? (b) a circle?

NCERT Solutions for Class 7 Mathematics Chapter 14 Important NCERT Questions Class vii Math Chapter 14 Symmetry Exercise 14.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 10

Rasika

Asked: March 25, 2021In: Class 7 Maths

Give three examples of shapes with no line of symmetry.

NCERT Solutions for Class 7 Mathematics Chapter 14 Important NCERT Questions Class vii Math Chapter 14 Symmetry Exercise 14.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 9

Rasika

Asked: March 25, 2021In: Class 7 Maths

What letters of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about. (a) a vertical mirror (b) a horizontal mirror (c) both horizontal and vertical mirrors

NCERT Solutions for Class 7 Mathematics Chapter 14 Important NCERT Questions Class vii Math Chapter 14 Symmetry Exercise 14.1 NCERT Books for Session 2022-2023 CBSE Board Questions No: 8

Can we have a rotational symmetry of order more than 1 whose angle of rotation is: (i) 45° (ii) 17°?

After rotating by 60° about a centre, a figure looks exactly the same as its original position. At what other angles will this happen for the figure?

Name the quadrilateral which has both line and rotational symmetry of order more than 1.

In a figure has two or more lines of symmetry, should it have rotational symmetry of order more than 1?

Give the order the rotational symmetry for each figure:

Which of the following figures have rotational symmetry of order more than 1:

What other name can you give to the line of symmetry of: (a) an isosceles triangle? (b) a circle?

Give three examples of shapes with no line of symmetry.

What letters of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about. (a) a vertical mirror (b) a horizontal mirror (c) both horizontal and vertical mirrors

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