Question

the perimeter of a rectangular field is 151m .if its breadth is 32m ,find its length and area​

Answer 1

Step-by-step explanation:

Given,

perimeter of a rectangular field is 151m .if its breadth is 32m

To find:

length and area​

Solution:

Perimeter = 2(l + b)

==> 151 = 2(x + 32)

==> 151 = 2x + 64

==> 151 - 64 = 2x

==> 87 = 2x

==> x = 43.5

Length = 43.5

Area = L × B

==> 43.5 × 32

==> 1392m²

Result:

Length = 43.5 m

Area = 1392m²

Answer 2

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$\longrightarrow$ We know :

• Perimeter : 151 m
• Breadth : 32 m

$\implies$ Perimeter = 2 ( Length + Breadth )

Let the length be x

According to problem ,

$\implies$ 151 = 2( x + 32)

$\implies$ 151 = 2x + 64

$\implies$ 151 - 64 = 2x

$\implies$ 87/2 = x

$\implies$ 43.5

Length = 43.5 m

Area :

Length × Breadth

= 43.5 × 32

= 1392 m^2

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