Geometry in Rotational Symmetry

Q.

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

Q. In your geometry box you can find that there are two triangular shaped scales. Are they same as Ruler?

What does the figure shown below depicts?

1. Set squares

2. Divider

3. Ruler

4. Protactor

Q.

___________ is an instrument used to draw an angle.

Q.

The instrument used to measure or construct angle is

Q.

A shape has_______ symmetry when it still looks the same after some rotation (of less than one full turn).

1. reflection
2. translational
3. point
4. rotational

Q. Spider web is an example of radial symmetry.

1. True
2. False

Q.

The instrument to measure an angle is:

1. ruler

2. protractor

3. divider

4. compass

Q. The instrument used to measure an angle is:

1. ruler
2. protractor
3. divider
4. compass

Q. The order of rotational symmetry of a ceiling fan with $3$ blades is

1. $6$
2. $3$
3. $2$
4. $4$

Q. The instrument used to measure an angle is:

1. ruler
2. protractor
3. divider
4. compass

Q. in rotational symmetry what is the correct order of symmetry of a kite, 1 or 0?

Q. Spider web is an example of radial symmetry.

1. True
2. False

Q. Which of the following is true about the given figure ( $l$ is given to be a perpendicular bisector on XY) ?

1. Symmetric along the arc
2. Symmetric along the perpendicular bisector 'l'
3. None of the above
4. Asymmetric along the line XY

Q. If after a rotation of ${45}^0$ about a fixed point the figure looks exactly the same, then the order of rotational symmetry is ________

Q.

Statement 1: Regular polygons have finite lines of symmetry.

Statement 2: Circle has infinite lines of symmetry.

Statement 3: Circle is a polygon with infinite sides.

Statement 4: Circle is a regular polygon with infinite sides.

Which of the above statements is/are incorrect?

1. 1

2. 2

3. 3

4. 4

Q. The instrument used to measure an angle is:

1. ruler
2. compass
3. protractor
4. divider

Q. The order of rotational symmetry of a regular pentagon is 5. What is the angle of rotation?

1. ${62}^{\circ }$
2. ${90}^{\circ }$
3. ${70}^{\circ }$
4. ${72}^{\circ }$