Question

When the length is 5 times breadth (b) in a rectangle, the perimeter in terms of b ? What will be its algebraic expression

Answer 1

Answer:

12b

Step-by-step explanation:

We know that perimeter of a rectangle is 2(l+b) ....(i)

also l = 5b     Substituting value of l in (i)

2(5b+b)

2(6b)

12b

Answer 2

Answer:

l=5b,b=b them the perimeter of rectangle is 2(l+b)=2(5b+b)=12b