Question

solve The length of the Rectangle is double to the breadth of it The Area of the Rectangle is 159 sq units. Then find the length & Breadth of the rectangle?​

Answer 1

Step-by-step explanation:

let length =x

x=2x

l×b =x ×2x

=2x^2

$2x^{2} = 159 \\ {x}^{2} = \frac{159}{2 } \\ x = 79.5 \\ \sqrt{79.5 } = 8.8 \\ lenght = 8.8 \\ b = 2 \times 8.8 = 17.6$

Answer 2

CORRECT QUESTION:-

The length of the rectangle is twice it's breadth.If the area of the rectangle is 159 unit ².Find length and breath

EXPLANATION:-

Let the breadth=x unit

then length=2x unit

Area of rectangle=159 unit²

We know that:-

Area of rectangle=Length × Breadth

Area=159 units ²

Length=x units

Breadth=2x units

A.T.Q

159=2x×x

159=

79.5=x²

x=√79.5

x≈9

or x=8.91

So length=8.91 units

or Length≈9 units

Breadth=2(x)=2×8.91

Breath=2×8.91

Breath=17.82 units

Or Breath≈9×2

Breadth≈18units

I have calculated both approx and exact value,You can go with any of these 2

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