Question 1: Guess the words by looking at their mirror images:
Question 2: Complete the following figures such that the dotted lines p and q are the lines of symmetry of the total new figures:
Question 3: Here is a figure of an angle PQR and a mirror line l. Draw mirror image of ∠PQR. Do you find that the resulting image has the same measure?
Question 4: A cube is cut into two pieces by the plane through P,Q,R and S as shown in the figure. Sketch the section.
Question 5: How many planes of symmetry does this cuboid have?
Question 6: A cricket ball is cut by a plane passing through the centre. Draw the section.
Question 7: Draw the shape of the section given by slicing down through the middle of each of the following solids.
Question 8: How many planes of symmetry does this cube have?
Question 9: A notebook has an approximate plane of symmetry as shown in the figure. Name other objects that have a plane of symmetry.
Question 10: Which letters of English alphabet have a rotational symmetry?
Question 11: Separate the letters of the word MOTHERLAND which have:
Question 12: What is the line of symmetry of a semicircle? Does it have a rotational symmetry?
Question 13: Name the quadrilaterals which have both linear and rotational symmetry of order more than 1.
Question 14: Draw a net of a cuboid whose dimensions are 3 cm × 2 cm × 2 cm.
Question 15: Using a square graph paper, draw a net for a cube with an edge 3.5 cm.
Question 16: The dimensions of the cuboid are: 3 cm × 2 cm × 1 cm.
Question 17: Complete these letters from their halves:
Question 18: Find out which letters of English alphabet are symmetrical:
Question 19: Identify which of the following figures are symmetrical. In case of symmetrical figure, draw the line(s) of symmetry:
Question 20: A cylinder is cut by a plane as shown in the figure. Draw the section.
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1. What is symmetry? |
2. How can symmetry be identified in objects? |
3. What are some examples of symmetry in everyday life? |
4. How is symmetry important in mathematics? |
5. What are nets in geometry? |
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