Question

The area of the rectangle is 338sq.cm. If the breadth of the rectangle is double of the length. Find the perimeter of the rectangle.
A) 78 Sq.cm B) 78 cm
C) 39 Sq.cm D) 39 cm​

Answer 1

Answer:

78 sq. cm

Step-by-step explanation:

Length = x

Breadth = 2x

Area = 2x*x = 2(x^2)

=> 2(x^2) = 338

=> x^2 = 338/4 = 169

=> x = sqrt(169) = 13

=> Perimeter = 2(Length+breadth)

=> 2(2x+x)

=> 2(3x)

=> 6x

=> 6*13

=> 78 sq. cm

Answer 2

Answer:

Let the length be x and breadth be 2x

$x(2x)=338\\x^{2} =169\\x=13\\Perimeter=2(l+b)\\=2(13+26)\\=78 cm$

pls mark brainliest