Advertisements
Advertisements
Question
How many triangles are there in the following figures?
![]() |
![]() |
![]() |
Answer in Brief
Advertisements
Solution
- There are 8 triangles in figure (i).
- There are 8 triangles in figure (ii).
- There are 9 triangles in figure (iii).
shaalaa.com
Shapes and Designs
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS

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?
Use the two small triangles in the tangram set to get the following shapes:
![]() |
![]() |
![]() |
| (1) | (2) | (3) |
Use pieces 1, 2, 3 and 5

Use only two triangles

Is any shape repeating in a particular pattern? Which ones?

Are the shapes made of
- Curved lines
- Straight lines
- Both curved and straight lines.
Look at your cloths, your mother’s saris/shawls, rugs and mats. Can you identify some patterns? Draw them in your notebook.

Have you seen this shape in any other design - on a wall, a dress, on a basket, a mat etc.?






