Question

the length of a rectangular feild is thrice its breath is and its perimeter is 120 then the length of a flied is

Answer 1

Answer:

Step-by-step explanation:

here ur answer is

let length =3x

breadth =x

so perimeter =2(l+b)

so,120=2(3x+x)

60=4x

so,x=15

hence length 3x.so

15×3=45

Answer 2

Answer :-

Length = 45 units

Breadth = 15 units

Explaination :-

Given :-

Length : Thrice of the Breadth

Perimeter : 120 units.

To find :

Length of the field

Solution :

Consider Breadth as $\texttt{x}$

Consider Length as $\texttt{3x}$

$\tt{</p><p>\Rightarrow 2(b + l)}$

$\tt{</p><p>\Rightarrow 2(x + 3x) = 120}$

$\tt{</p><p>\Rightarrow 2x + 6x = 120}$

$\tt{</p><p>\Rightarrow 8x = 120}$

$\tt{</p><p>\Rightarrow x = \dfrac{120}{8} }$

$\tt{</p><p>\Rightarrow x = 15}$

Breadth = 15 units

Length =

$\tt{</p><p>\Rightarrow 3 \times 15}$

$\tt{</p><p>\Rightarrow 45}$

$\therefore$The Length is 45 units and Breadth is 15 units