1 Sqare Meter

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Definition: - The area of a surface, whose each equal side is equal to one meter is called square meter and it is also known as meter square (m^2).


This figure shows a square where all the four sides are equal to 1 meter.
Hence the area of surface enclosed by four sides is 1 square meter or 1 meter square.
 
1 square meter is the standard international (SI) unit
of measuring area of a surface.
 
Sub- multiples of standard unit area: -
♦ 1 square centimeter (cm ^2)
♦ Hectare
♦ One square kilometer (km ^2)
 
Relation between 1 square meter, centimeter square and hectare: -
 
1 m^2   = 1 m * 1 m
= 100 cm * 100 cm
= 10000 cm^2
 = 10 ^4 cm^2
Therefore, 1 m^2 = 10^4 cm^2
 
1 hectare = 100 m * 100 m
1 hectare = 10000 m^2
1 hectare = 10^4 m^2
Therefore 1 m^2 = 10 ^ (-4) hectare
 
1 km^2 = 1000 m * 1000 m
            =1000000 m^2
            = 10^6 m^2
1 m^2 = 10 ^ (-6) km^2
 
Question 1: - A school hall measure 20 m in length and 12 meters in breadth. Find its area in square meter.
 
Solution: - Area of school hall     = length * breadth
                                                     = 20 m * 12 m
                                                     = 240 m^2
 
Question 2: - The length of a school compound is 450 m and breadth is 145 m. find the area of the compound in square meter.
 
Solution: - Area = length * breadth
                           = 450*145 m^2 = 65250 m^2


 

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