Question

The area of.Rectngle with lenth twice of breath is 578 metre whatis the.Length of rectangle

Answer 1

Step-by-step explanation:

let l be length and b be the breadth of the rectangle

given

l=2b

and

lb =578

or, 2b*b =578

or, b²= 289

or, b = 17 m

therefore

l=2b

or l=2*17

l=34m

Answer 2

Let the Length be $\longrightarrow$ L

Let the Breadth be $\longrightarrow$ B

ATQ,

L = 2B

Area of the rectangle is 578m²

We know that Area of a rectangle is,

Length × Breadth.

$\implies \boxed {\sf{Area \ of \ a \ Rectangle \ = \ Length \ \times \ Breadth}}$

Substituting the valued in the relation we get,

Area of the rectangle = 2B × B

578 = 2B²

$\sf B^{2} = \dfrac{578}{2}$

B² = 289

$\sf B = \sqrt{289}$

$\boxed{\sf{B = 17m}}$

Substituting the value of the breadth in 2B = L

2B = L

2(17) = L

$\sf L = 34$

$\boxed{\sf L = 34m}$

$\boxed{\begin{minipage}{5.5 cm} \sf \therefore \sf Length \longrightarrow \sf 34m \\ \\\sf \therefore \sf Breadth \longrightarrow \sf 17m \end{minipage}}$