Question

prove that the perimeter of the rectangle is 2(l+b)​

Answer 1

Answer:

Step-by-step explanation:

It is a rectangle so we know oppposite sides are equal

Perimeter is the sum  of all sides

hence perimeter= a+b+c+d

but according to rectangles property

a=c

b=d

perimeter=a+a+b+b

=2(a+b)

Let a be length and b be breadth

2 (l + b)

Answer 2

Answer:

Answer is in the figure above .