Question

Please give me correct answer and give me step by step explanation ​

Answer 1

Answer:

length of the garden = 20m,

width of the garden = 16m

Step-by-step explanation:

Given that in a rectangular garden,

(1/2)* perimeter = 36m

=> perimeter , p = 36m*2 = 72m   (where p is the perimeter of the garden)

having taken length as l and breadth as b,

given that ,  l = b + 4  ------------------ (a)

=> p = 2(l+b) = 2(b+4 + b ) = 72m

=> 2(2b+4) = 72m

=> 2*2(b+2) = 72m

=> b+2 = 72m/4

=> b+2 = 18m

=> b = 18-2m

=> b = 16m

so,  l = 16+4 m             ( from (a) )

    l = 20m

ie., length of the garden = 20m,

     & the width of the garden = 16m

Answer 2

Answer:

Step-by-step explanation:

ANSWER:-

Given:-

• The length is 4 metre more than breadth
• let the breadth be x.
• So the length will be 4+x

Concept:-

$\sf{Perimeter \ of \ \boxed{ \ \ \ \ } = 2(L+B)}$

Let's Do!

$2( \rm{L+B}) = 36 \times 2$

2 Multiplied as it is said it is the half of the given rectangle.

Now, placing:-

• L is 4+x ie the length.
• B is x ie the breadth.

$\rm{2(4+x+x) = 36 \times 2}$

$\rm{2(4+2x) = 36 \times 2}$

$4+2x = 36$

$2x = 32$

$x = 16 \ m$

And now length will be 4+16 = 20 metre.

So, the answer is length 20 and breadth 16 metre. Do keep an eye on the units.