Advertisements
Advertisements
प्रश्न
Using only straight lines, can you draw a figure which has no corners?
उत्तर
No, we can’t draw a figure which has no corners.
APPEARS IN
संबंधित प्रश्न
Looking at the picture given above, can you tell who is out?
- 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?
Use the two small triangles in the tangram set to get the following shapes:
 |
 |
 |
| (1) | (2) | (3) |
Use only two triangles
Which geometrical shapes can you identify in these borders? Draw them in your notebook.
Is any shape repeating in a particular pattern? Which ones?
Look at your cloths, your mother’s saris/shawls, rugs and mats. Can you identify some patterns? Draw them in your notebook.
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.
