 # Measurement of Area

## The area of an object is the surface occupied by it. The S.I unit of area is square metre (m2). Other units of area are cm2. 1 cm2= 10-4 m2. 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:5 • 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:5 • Q3

What do you understand by the area of an object? Give S.I unit of area.

Marks:1

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:1

(i)
The area of classroom is measured in m2
(ii)
The area of district is measure in km2

• Q5

Give two multiple and sub-multiple of standard unit of area.

Marks:1