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प्रश्न
Do the things with curved edges have corners?
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उत्तर
No, things with curved edges have no corners.
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संबंधित प्रश्न
Try to find things which have both straight and curved edges.
- Take a rectangular sheet of paper.
- Count its corners.
- Now fold one of its corners.
a) How many corners does it have now?
b) How many corners will you get by folding
i) 2 corners
ii) 3 corners
iii) 4 corners
c) Can you fold this paper in such a way that it has only three corners? You are allowed only two folds.
What shape will you get? - Repeat the activity with a square sheet of paper.
- Can you fold all the corners of the square sheet in such a way that the number of corners remains unchanged?
Look at the following table and tick (√) the names of things that have corners. Also count the number of edges and corners in ea.ch of them.
| Name of thing | Whether it has corners | Number of edges | Number of corners |
| Die | Yes | 8 | |
| Ball | |||
| Eraser | |||
| Egg | |||
| Sheet of paper |
In the following figures, tick (√) those which have corners.
 |
 |
 |
 |
 |
 |
 |
Do these figures have curved lines?
Which two pieces of the tangram set are exactly same? Find out.
Use only two triangles
Use pieces 1, 2, 3, 4 and 5
Are the shapes made of
- Curved lines
- Straight lines
- Both curved and straight lines.
You can also make your own tiles and use them to make your own tiling patterns. You will find some such tiles at the end of the book that you can cut out, trace and colour.
Have you seen this shape in any other design - on a wall, a dress, on a basket, a mat etc.?
