Table of contents  
What are Shapes?  
Different Types of Shapes:  
Circle:  
Oval:  
Square:  
Triangle:  
Rectangle:  
Counting Shapes:  
Edges and Corners:  
Patterns: 
Shapes are the outlines or boundaries of objects. Every object that we see around us has some sort of shape; They are made by combining curves, points, and lines. We see shapes all around us, like circles, squares, rectangles, and triangles: like the rotis we eat are round, the geometry box we use is a rectangle, the box of your pizza is a square, etc.
Shapes are classified into two main types:
Open Shapes: These shapes are made of line segments or curves that don't connect or form a closed loop, like the letter 'C'.
Closed Shapes: These shapes are continuous and form a closed loop, like the letter 'D'.Examples:
We can count shapes by adding up smaller shapes. For example, to count triangles, we add the numbers on their bases.
You might come across various questions, where you are asked to find the number of triangles, squares or rectangles, etc. in a given figure, So, how would we deal with them? Let's find out:
Example: Harsh wants to count the number of triangles present in the figure below?
Harsh examines the image, focusing solely on the shapes present. In this particular image, he notices that only triangles are visible. Triangles, with their three sides, are distinctive geometric figures.
Harsh then proceeds to mark each triangle's base with a corresponding number. This step helps him keep track of the individual triangles and their bases.
After careful calculation, Harsh arrives at a total count of 3 triangles. These triangles, although varying in size and orientation, collectively contribute to the geometric composition of the image.
So, the total number of triangles present in the image is 3.
Let's see another Example
Step1: Identify the different shapes present in the image. Here, in the above image, only triangles are present.
Step2: Add the numbers to the base of the small triangles.
Base Triangle
Step3: To calculate the total number of triangles, add base numbers.
= 4+3+2+1=10
Total number of triangles = 10
So, the total number of triangles present in the image is 10.
Example: Riya wants to count the number of triangles present in the given image?
Step1: Identify the different shapes present in the image. Here, in the above image, only triangles are present.
Step2: Add the numbers to the base of the small triangles. Here, we have 2 small triangles in the first layer and 2 small triangles in the second layer.
Step3: To calculate the total number of triangles, add base numbers present on each layer.
Addition of base triangle
Number of triangles in the first layer = 3
Number of triangles in the second layer = 3
Total number of triangles in both layers = 3+3 = 6
So, the total number of triangles present in the image is 6.
A similar strategy can be used to find out other shapes in a given figure as well. Why not try one out yourself:
Find the number of rectangles in the given figure.
Hint:
4 thin rectangles + 6 thick rectangles + 5 rectangles (made of 2 thick rectangles) + 2 rectangles (made of 3 thick rectangles) + 1 rectangle (made of 4 thick rectangles) = 18 rectangles.
Edges are the lines that outline a shape, like the sides of a square. Corners or Vertex are where these edges meet, like the corners of a rectangle.
We can create different designs by arranging shapes in patterns. This could be weaving patterns, tiling patterns, or floor patterns.
30 videos62 docs10 tests

1. What is the definition of a shape? 
2. How many types of shapes are mentioned in the article? 
3. What is the difference between edges and corners in shapes? 
4. How can shapes be used for counting? 
5. How can patterns be related to shapes? 

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