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We had found area of rectangle by counting the squares

But, that method is too long

To find area of any rectangle,

We use formula

For a rectangle with length
*
l
*
and breadth b

Area of rectangle =
*
l
*
× b

##
**
Comparing counting the squares method to formula
**

**
**

####
**
Find area of rectangle with length 10 m and breadth 15 m
**

Length =
*
l
*
= 10 m

Breadth = b = 15 m

Area of rectangle =
*
l
*
× b

= 10 × 15

= 150 sq. m

= 150 m
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2
}