Question

The length of a rectangular park is thrice its breadth if the perimeter of the park is 168m find the length and breadth

Answer 1

Let the breadth be b

length be l

Then by conditions,

l = 3b

Perimeter = 2(l+b) = 168

3b+b = 84

4b = 84

b = 21

Therefore, length = 3b = 3×21 = 63m

breath = b = 21m

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Answer 2

$\sf \underline{Answer : - }$

Given:-

• Let the breadth (b) be b and length (l) be 3b
• Perimeter of park = 168 m

According to the question,

2(l+b)=168

2(3b+b)=168

8b=168

b=168/8

b=21 m

now,

length (l)= 3b =3×21=63 m

therefore,

Dimensions of park are length = 63 m and breadth= 21 m.,.