Question

The length of a rectangular park is twice its breadth. If
the per ris 120 metres. Find the length and breadth
of the per​

Answer 1

Answer:

length =20 metres

breadth =10metres

Step-by-step explanation:

let the length and breadth of the rectangular park be l and b respectively.

then by the given condition,

l=2b....eq.1

perimeter of the rectangular park=2(l+b)

but l=2b

therefore,

perimeter of the rectangular park=2(2b+b)

also, perimeter of the rectangular park=120 metres

therefore,

2(2b+b)=120

2(3b)=120

6b=120

b=120/6

b=20metres

by eq.1,

l=2b

l=2(10)

l=20metres

therefore the length and the breadth of the given rectangular park are 20metres and 10metres respectively .

Answer 2

☆αnѕwєr☆

Let the breadth of the rectangular park be x.

Then, the length will be 2x.

Given,

Perimeter of the rectangular park = 120 m

2(length + breadth) = 120 m

2(2x+x) = 120 m

2×3x = 120 m

6x = 120 m

x = (120/6)

x = 20

Hence,

• Length = 40 m

• Breadth = 20 m

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