SCERT AP 7th Class Maths Solutions Pdf Chapter 12 Symmetry Ex 12.2 Textbook Exercise Questions and Answers.

AP State Syllabus 7th Class Maths Solutions 12th Lesson Symmetry Ex 12.2

Question 1.
Which of the following shapes have line symmetry? Which have rotational symmetry?
AP Board 7th Class Maths Solutions Chapter 12 Symmetry Ex 12.2 1
Answer:
(a) Has no line of symmetry and rotational symmetry.
(b) Has line of symmetry and no rotational symmetry.
(c) Has line of symmetry and rotational symmetry.
(d) Has line of symmetry and rotational symmetry.

AP Board 7th Class Maths Solutions Chapter 12 Symmetry Ex 12.2

Question 2.
Determine the order of rotational symmetry in the figures given below.
AP Board 7th Class Maths Solutions Chapter 12 Symmetry Ex 12.2 2
Answer:
(i) The order of rotatiorlal symmetry of the figure is 4.
(ii) The order of rotational symmetry of the figure is 6.
(iii) The order of rotational symmetry of the figure is 3.
(iv) The order of rotational symmetry of the figure is 4.

Question 3.
Draw the 2 such figures which have line symmetry and rotational symmetry of order more than 1.
Answer:
(a) Equilateral triangle has 3 lines of symmetry and rotational symmetry of order (3).
AP Board 7th Class Maths Solutions Chapter 12 Symmetry Ex 12.2 3
(b) Rectangle has 2 lines of symmetry and rotational symmetry of order (2).
AP Board 7th Class Maths Solutions Chapter 12 Symmetry Ex 12.2 4

Question 4.
Name the quadrilaterals which have both line symmetry and rotational symmetry of order more than 1.
Answer:
Rectangle, square and rhombus.

Question 5.
After rotating by 60° about its axis, a figure looks exactly the same as its original position. What other angles will this happen for the same figure?
Answer:
AP Board 7th Class Maths Solutions Chapter 12 Symmetry Ex 12.2 5

AP Board 7th Class Maths Solutions Chapter 12 Symmetry Ex 12.2

Question 6.
Fill in the blanks.
AP Board 7th Class Maths Solutions Chapter 12 Symmetry Ex 12.2 6
Answer:
AP Board 7th Class Maths Solutions Chapter 12 Symmetry Ex 12.2 7