Question

3/ 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.​

Answer 1

Step-by-step explanation:

Area = 440 m²

Length = 22 m

Breadth = 440/22 = 20 m

Perimeter = 2 × (20 + 22) = 2 × 42 = 84 m

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Answer 2

Given :

• Area of rectangular plot is 440 m²
• Length of rectangular plot is 22 m.

To Find :

• Breadth of rectangular plot.
• Perimeter of rectangular plot.

Solution :

Area of rectangle

$\dag{ \underline{ \boxed{ \rm{ \pink{length \times breadth}}}}}$

$\longrightarrow {440}^{2} = 22 \times x \\ \\ \longrightarrow x = \frac{ \cancel{440}}{ \cancel{22}} = 20 \\ \\ \longrightarrow x = 20$

Now, we'll find perimeter of rectangular plot.

$\dag{ \underline{ \boxed{ \rm{ \blue{2(length×breadth)}}}}}$

$\longrightarrow2(22+20) \\ \\ \longrightarrow2×42 \\ \\ \longrightarrow84$

Hence, Perimeter of rectangular plot is 84m.