Measurement of Area
 The area of an object is the surface occupied by it.
 The S.I unit of area is square metre (m^{2}).
 Other units of area are cm^{2}.
 1 cm^{2}= 10^{4} m^{2}.
 The area of an irregular lamina is approximately found by using a graph paper.
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Q1
In the figure given below, find the area of the shaded portion and the area of the remaining portion.
Marks:5Answer:

Q2
A wire of length 44 cm, it is bent into the shape of a circle. Find the radius of that circle. Also, find its area. If the same wire is bent into the shape of a square, what will be the length of each of its sides? Which figure encloses more area – the circle or the square?
Marks:5Answer:

Q3
What do you understand by the area of an object? Give S.I unit of area.
Marks:1Answer:
Area of an object is the amount of surface occupied by that object. Square meter is the standard unit of measurement of area.

Q4
Name the units in which we will measure the area of the following objects
(i) Area of our classroom, (ii) Area of a district.
Marks:1Answer:
(i) The area of classroom is measured in m^{2}
(ii) The area of district is measure in km^{2} 
Q5
Give two multiple and submultiple of standard unit of area.
Marks:1Answer:
The standard unit of area is metre square (m^{2 }).
Two multiple of m^{2} are hectare and square kilometer.
Two submultiple of m^{2} are square centimetre and square millimetre.