Use only triangles

Use only triangles

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Shapes and Designs

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पाठ 5: Shapes and Designs - The 7–piece tangram [पृष्ठ ६८]

पाठ 5 Shapes and Designs
The 7–piece tangram | Q i) | पृष्ठ ६८

Find the biggest rectangle in the figures given below.

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

Where is Guddu standing?

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?

Using only straight lines, can you draw a figure which has no corners?

Take pieces 4 and 5 from the set and find out on which side of the triangle you can join the other piece.

Use pieces 1, 2, 3 and 5

Use pieces 1, 2, 3, 4 and 5

Among the following, can you match the tiles with the designs that they will make on the floor? Draw lines to match.