Question

the breadth of a rectangular field is twice it's length. if the area of the field is 1058 m², find the cost of fencing it at rupees 35 per m
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Answer 1

Step-by-step explanation:

Let the length be x

According to the question

Area of the rectangle = Lenght *Breadth

= 2x*x = 1058

=

$2x ^{2} = 1058$

=

$x^{2} = 1058 \div 2$

=

${ x}^{2} = 529$

$x = \sqrt{ 529}$

= x = 23

Lenght = 23

Breadth = 23*2

Breadth = 46

Perimeter of the rectangle = the fencing around it

Perimeter of the rectangle = 2*(23+46)

= 138m

Rate = 138*35

Rate = 4830

Thus the cost of fencing = 4830

Answer 2

Answer:

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