Symmetry with the Help of Dots

Q.

A line of symmetry divides a figure into two equal halves in all aspects. State true or false.

1. True
2. False

Q. 81.How and why is ammonia considered to have a three fold axis of symmetry?

Q.

The following figure is drawn on a piece of paper. If the paper is folded along the axis and punched at the shown postitions, then the number of holes formed after unfolding the paper is ____ .

___

Q.

The line of symmetry for the following figure is:

1. 

2. 

3. 

4. 

Q.

Which of the following images is/are symmetric? (The circles represent holes cut out from the figures.)

1. 
2. 
3. 
4. 

Q.

Which of the following images is/are symmetric? (The circles represent holes cut out from the figures.)

1. 
2. 
3. 
4. 

Q. How many holes are needed on the right side of the dotted line so that it becomes the line of symmetry for the figure ?
(The circles represent holes cut out from the figure.)

1. 4
2. 2
3. 3
4. 1

Q. The following figure is drawn on a piece of paper. If the paper is folded along the axis and punched at the places shown, then the number of holes formed after unfolding the paper is ____ .

1. 3
2. 4
3. 2
4. 5

Q.

Which one of the following is/are not symmetric? The circles represent holes cut out from the figures.

1. B and C

2. C and D

3. None of them

4. C

Q. Choose the option that shows the line of symmetry for the following figure correctly (The circles represent holes cut out from the figures).

1. 
2. 
3. 
4. 

Q. Which of the images shown below have their lines of symmetry wrongly marked?

1. A
2. B
3. C
4. D