Question

Find the breadth of a rectangular plot of land, if its area is 440 m2 and the length is 22 m. Also find its perimeter.

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Answer 1

Area of rectangle = 440 m²

Length = 22 m

We have to find the breadth.

We will use the formula of area of rectangle

Area = length × breadth

440 = 22 × breadth

breadth = 440 / 22

= 20 m

We also have to find the perimeter

Perimeter = 2 ( length + breadth )

= 2( 22 + 20 )

= 2 × 42

= 84 m

Hence, breadth and perimeter of the rectangle will be 20 m and 84 m respectively.

Answer 2

To find : breadth and perimeter of rectangular plot.

Given : length $=22 \mathrm{~m}$ and area $= 440\ m^{2}$

Solution :

• According to question we are given that length and area of rectangular plot  is $22 \mathrm{~m}$  and $440\ m^{2}$ respectively. We have to find breadth and perimeter of plot.

• To find area we use following formula -
• Area of rectangular plot $=l \times b$

• Substituting the values we get,

       $440 \ m^{2} = 22\ m \times breadth$

       $breadth = \frac{440 \ m^{2} }{22 m} \\breadth = 20\ m$

• Now , to find perimeter we have ,

         Perimeter =   $2 ( l + b)$

                           $= 2 ( 22m + 20m ) \\= 2 ( 42m )\\= 84 \ m$

Hence, breadth and perimeter of rectangular plot is $20\ m$ and $84 \ m$ respectively .