Question

The length of a rectangular park is thrice its breath. If the
perimeter of the park is 168 metres, find its dimensions.​

Answer 1

Answer:

l=63,b=21

Step-by-step explanation:

Hi ,

Let the dimensions of the

rectangular park are

Breadth = b m

Length ( l ) = 3b m

According to the problem given,

Perimeter of the park ( P ) = 168 m

2 ( l + b ) = 168 m

2 ( 3b + b ) = 168

2 × 4b = 168

8b = 168

b = 168/8

b = 21 m

But ,

l = 3b

= 3 × 21

l = 63 m

Therefore ,

Park dimensions are ,

l = 63 m , b = 21 m

I hope this helps you.

:)

Answer 2

Answer:

Let breadth =x

Length = 3x

ATQ

Perimeter of rectangular park = 2 ( l + b)

= 2 ( 3x + x ) = 168 m

= 6x + 2x = 168m

= 8x = 168 m

= x = (168 / 8) m

= x = 21m

Breath = 21m

Length = 21 × 3 = 63 m

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