Question

The breadth of a rectangular field is two third of its length find its length if its area is 864 square metre.​

Answer 1

Step-by-step explanation:

Step-by-step explanation:

Area of rectangular field = Length \times breadthLength×breadth

One side = 36 m

We are given that the area of rectangular field is 864 square meters

So, 864 = 36 \times Breadth864=36×Breadth

\frac{864}{36}=Breadth

36

864

=Breadth

24 cm = Breadth24cm=Breadth

Perimeter of field = 2(Length + Breadth)=2(36+24)=120 cm

Hence a farmer walk 120 cm if he walks once round the fields boundary

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Answer 2

Let,the length of the rectangular field be x.

As given in the question,

Length=x.

Breadth=60% of its length =60/100×x

Perimeter =800m

To find, area of rectangular field =?

First we have to find the length and breadth of the rectangular field,

According to the question,

Perimeter of rectangular field =2×(length+breadth)

800=2×(x+60x/100)

800=2×(x+6x/10)

800=2×(10x+6x/10)

800=2×(16x/10)

800=16x/5

800×5/16=x

50×5=x

250=x

Thus,the length of rectangular field is 250m.

So, its breadth would be 60℅ of x i.e. 150m.

Then , the area of rectangular field would be….

Area = length × breadth

Area=250×150

Area=37500

Therefore, the area of rectangular field is 37,500.

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