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प्रश्न
Which two pieces of the tangram set are exactly same? Find out.
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उत्तर
Pieces 2 and 5 are exactly the same. We can check that by measuring them with a scale.
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संबंधित प्रश्न
Looking at the picture given above, can you tell who is out?
Do the things with straight edges have corners?
- 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 |
Use the two small triangles in the tangram set to get the following shapes:
 |
 |
 |
| (1) | (2) | (3) |
Use only triangles
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.
Complete the following tiling pattern.
Khushboo and Hariz live in Agra. One day they went to see the Taj Mahal. The floor had the pattern shown below:
What do you think? Discuss with your friends.
