Mathematics
Grade-3-
Easy

Question

Find the area of the shaded region

  1. 50 square units    
  2. 60 square units    
  3. 40 square units    
  4. 70 square units    

Hint:

 Irregular shapes are those shapes that do not have equal sides or equal angles. In order to find the area of an irregular shape, it can be decomposed or divided into multiple familiar shapes and then the area of those can be added to get the total area. 

The correct answer is: 60 square units


    Irregular shapes are those shapes that do not have equal sides or equal angles. In order to find the area of an irregular shape, it can be decomposed or divided into multiple familiar shapes and then the area of those can be added to get the total area. 

    The above given figure is an example of irregular shapes.
    Thus, we divide the above shape into a rectangle of sides 9unit cross times 5unit and another rectangle of side 5unit cross times3unit
    Thus, total area = (9 cross times 5) + ( 5cross times 3) = 45 + 15 = 60 square units

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