Fill in the blanks:

Shape

Centre of Rotation

Order of Rotation

Angle of Rotation

Square

-

-

-

Rectangle

-

-

-

Rhombus

-

-

-

Equilateral Triangle

-

-

-

Regular Hexagon

-

-

-

Circle

-

-

-

Semi-circle

-

-

-

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Solution

The given table can be completed as follows.

Shape

Centre of Rotation

Order of Rotation

Angle of Rotation

Square

Intersection point of diagonals

4

90º

Rectangle

Intersection point of diagonals

2

180º

Rhombus

Intersection point of diagonals

2

180º

Equilateral Triangle

Intersection point of medians

3

120º

Regular Hexagon

Intersection point of diagonals

6

60º

Circle

Centre

Infinite

Any angle

Semi-circle

Centre

1

360º

Suggest Corrections

386

Similar questions

Q. Complete the following table:

Shapes	Rough Figure	Number of lines of symmetry
(i) Scalene triangle		0
(ii) Isosceles triangle		1
(iii) Equilateral triangle
(iv) Rectangle
(v) Square
(vi) Parallelogram
(vii) Rhombus
(viii) Line
(ix) Line segment
(x) Angle
(xi) Isosceles trepezium
(xii) Kite
(xiii) Arrow-head
(xiv) Semi-circle
(xv) Circle
(xvi) Regular pentagon
(xvii) Regular hexagon

Q. Fill in the blanks:

English alphabet Letter	Line Symmetry	Number of Lines of symmetry	Rotational Symmetry	Order of rotational Symmetry
Z	Nil	0	Yes	2
S	−	−	−	−
H	Yes	−	Yes	−
O	Yes	−	Yes	−
E	Yes	−	−	−
N	−	−	Yes	−
C	−	−	−	−

Match the shapes mentioned in column 1 with the number of lines of symmetry it exhibits.
$\begin{matrix} S h a p e s & Line of Symmetry (a) Equilateral triangle & (i) 2 (b) Square & (ii) 3 (c) Circle & (iii) 4 (d) Rectangle & (iv) Infinite (e) Regular Pentagon & (v) 5 \end{matrix}$

Q. Question 4
Fill in the blanks:

\begin{matrix} S h a p e & C e n t r e o f R o t a t i o n & O r d e r o f R o t a t i o n & A n g l e o f R o t a t i o n S q u a r e R e c t a n g l e R h o m b u s E q u i l a t e r a l t r i a n g l e R e g u l a r h e x a g o n C i r c l e S e m i - c i r c l e \end{matrix}

(a) Find the number of lines of symmetry of the following figure?

(b) How many angles of rotation will a regular polygon have if it has ‘n’ sides?
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Shape	Centre of Rotation	Order of Rotation	Angle of Rotation
Square	-	-	-
Rectangle	-	-	-
Rhombus	-	-	-
Equilateral Triangle	-	-	-
Regular Hexagon	-	-	-
Circle	-	-	-
Semi-circle	-	-	-

Shape	Centre of Rotation	Order of Rotation	Angle of Rotation
Square	Intersection point of diagonals	4	90º
Rectangle	Intersection point of diagonals	2	180º
Rhombus	Intersection point of diagonals	2	180º
Equilateral Triangle	Intersection point of medians	3	120º
Regular Hexagon	Intersection point of diagonals	6	60º
Circle	Centre	Infinite	Any angle
Semi-circle	Centre	1	360º

Fill in the blanks: Shape Centre of Rotation Order of Rotation Angle of Rotation Square - - - Rectangle - - - Rhombus - - - Equilateral Triangle - - - Regular Hexagon - - - Circle - - - Semi-circle - - -

Fill in the blanks:

Shape

Centre of Rotation

Order of Rotation

Angle of Rotation

Square

-

-

-

Rectangle

-

-

-

Rhombus

-

-

-

Equilateral Triangle

-

-

-

Regular Hexagon

-

-

-

Circle

-

-

-

Semi-circle

-

-

-