Question

The perimeter oh rectangle is 40cm
The length of the breadth​

Answer 1

Step-by-step explanation:

2(l+b)=40

l+b=20

b=20-l

the answer is 20-l

i hope it helps

Answer 2

Let length of rectangle be x cm and breadth be y cm. From first condition - 2(x + y) = 40 x + y = 20 . . .

(I) From 2nd condition - x = 2y + 2 x - 2y = 2 . . .

(II) Let’s solve eq. (I),

(II) by determinant method x + y = 20 x - 2y = 2 Read more on Sarthaks.com - https://www.sarthaks.com/368788/perimeter-rectangle-length-rectangle-more-than-double-its-breadth-find-length-and-breadth