How many triangles do you have in your set? Are all of them equal in size? Find out.

थोडक्यात उत्तर

There are three triangles in a set. Only two out of the three are equal in size. We can check that by measuring the sides of the triangles.

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Shapes and Designs

या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?

पाठ 5: Shapes and Designs - Tangram [पृष्ठ ६७]

पाठ 5 Shapes and Designs
Tangram | Q 1. | पृष्ठ ६७

Looking at the picture given above, can you tell who is out?

Can this game be played around a round table? Why?

Look around you and identify things with 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.

Which two pieces of the tangram set are exactly same? Find out.

Use pieces 1, 2, 3 and 5

Use only two triangles

Use pieces 1, 2, 3, 4 and 5

Complete this pattern. Compare it with the pattern on page 70 which also uses six sided shapes. What is the difference between the two?