The angle of rotation of a figure is obtained by dividing 360° by order of rotational symmetry.
True
False
A figure not having rotational symmetry can have 3 lines of symmetry.
True
False
A rhombus is also a parallelogram hence it does not have line symmetry.
True
False
If a figure is folded in two equal parts such that the two folds overlap each other exactly, then the figure is symmetrical and the crease so formed is the line of symmetry.
True
False
Every capital letter of the alphabet and its corresponding small letter have an equal number of lines of symmetry.
True
False
If a figure possesses rotational symmetry, then it should look exactly the same at least once up to a rotation of 180°.
True
False
In a regular pentagon, the perpendicular bisectors of the sides are the only lines of symmetry.
True
False
The order of rotational symmetry of a semicircle is 2.
True
False
An equilateral triangle has six lines of symmetry.
True
False
Click the correct answer.
Which of the following quadrilaterals has four lines of symmetry?
Parallelogram
Rhombus
Rectangle
Square
A figure does not have rotational symmetry. What is its order of rotational symmetry?
0
1
2
Not defined
Which of the following has 1 line of symmetry and order of rotational symmetry 1?
Parallelogram
Rhombus
Semicircle
Scalene triangle
What is the order of rotation of a line segment?
4
3
1
2
Rotating a figure through 60° clockwise is equivalent to which of the following?
60° anticlockwise rotation
120° anticlockwise rotation
300° anticlockwise rotation
360° anticlockwise rotation
How many lines of symmetry does a hexagon have?
4
5
6
0
Which of the following is a possible angle of rotation of a figure having rotational symmetry of order greater than 1?
26°
72°
200°
360°
What is the order of rotational symmetry of the given figure?
1
2
5
8
How many lines of symmetry a quadrilateral cannot have?
0
1
2
3
Click each box on the left and also click on the matching box of the right.
Match the figure names with the number of lines of symmetry they have.
Circle
Angle
Rectangle
Equilateral triangle
Square
Infinite
1
2
3
4
Click the correct answer.
While opening the cap of a bottle, the direction of rotation is
.
horizontally
clockwise
anticlockwise
is moving a figure parallel to itself along a line.
Translation
Rotation
Angle of rotation
If after a rotation of 45° about a point the figure looks exactly the same, then the order of rotation is
.
4
8
6
An isosceles right-angled triangle has
lines of symmetry.
0
1
2
The angle of rotation of a figure which fits on to itself 3 times in a complete revolution is
.
120°
180°
220°
The angle of rotation of a regular hexagon is
.
120°
40°
60°
A figure has
symmetry if it is its own image under a reflection.
point
line
translation
triangle is a figure that has a line of symmetry but lacks rotational symmetry.
