Rotational Symmetry

Q. Question 2 (ii)
Draw, wherever possible, a rough sketch of:
ii) A triangle with only line symmetry and no rotational symmetry of order more than 1.

Q. Name the quadilateral with a rotational symmetry of order more than 1 but not a line symmetry.

Q.

(a) A polygon has 2 lines of symmetry and order of rotational symmetry is 2. The adjacent sides of the polygon are not equal. The perimeter of the polygon is 24 m. Given one side length as 9 m, find the area of the polygon?

(b) The order of the rotational symmetry of the given figure about its centre is:


(c) The order of the rotational symmetry of the given figure about the point marked ‘x’ is:

[4 MARKS]

Q. Mention the order of rotational symmetry in the following figures: [4 MARKS]

Q. How many pairs of adjacent angles are there in the following figure?

1. 5
2. 6
3. 12
4. 10

Q. The angle of rotation of hexagon is ______.

Q.

Order of rotational symmetry of the letter X about the point of intersection of the lines is ____.

___

Q. The diagram shows a regular pentagon and a kite.
Complete the following statement.
The kite has rotational symmetry of order _________.