Question

the breadth of a rectangle is twice its lenghth if the perimiter 54 cm find it lenght and breadth​

Answer 1

Answer:

18 cm

Step-by-step explanation:

Let the breadth of the rectangle be x

So length will be 2x

Now,

Perimeter will be 2(l+b)

i. e. 2(2x+x)=54

Or, 2(3x) = 54

Or, 6x = 54

Or, X = 54/6

Or, x = 9

So,

Breadth = 9 cm

Length = 2*9 = 18 cm.