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प्रश्न
How many triangles are there in the following figures?
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संक्षेप में उत्तर
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उत्तर
- There are 8 triangles in figure (i).
- There are 8 triangles in figure (ii).
- There are 9 triangles in figure (iii).
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संबंधित प्रश्न

Can this game be played around a round table? Why?
Do the things with curved 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?
In the following figures, tick (√) those which have corners.
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Do these figures have curved lines?
Use the two small triangles in the tangram set to get the following shapes:
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| (1) | (2) | (3) |
Find matching sides among the following pairs of pieces.
- Pieces 1 and 2
- Pieces 2 and 4
- Pieces 1 and 5
- Pieces 2 and 5

Use only triangles

Use only two triangles


Have you seen this shape in any other design - on a wall, a dress, on a basket, a mat etc.?
Franke and Juhi's mummy has hidden a surprise gift for both of them. But she wants them to find out through a treasure hunt. She has written some instructions here. Can you help Juhi and Franke in finding their gift?
- Start from the tallest tree.
- Go forward on the pathway.
- From the sixth tile, turn left.
- After moving a few steps again you will find a plant on your right hand side.
- Colour the dress of the child playing closest to this plant.
- Start moving again from the plant.
- On the fourth tile, turn left again.
- On the way, you will find the corner of the fourth tile is broken.
- You will find a bat and a ball lying on the ground. Don't pick them up, just circle them.
- Move ahead and turn right.
- You will find a mango tree. A few mangoes can be seen on the tree. Colour 11 mangoes on the tree.
- Also draw some grass near the mango tree and start moving again on the pathway.
- When you go straight, you will find a house.
- Behind that house there is a bag. Open it and you will find something sweet in it! Can you tell what their mother has kept in the bag?














