Question

prove 2(l+b) perimerer of rectangle​

Answer 1

Step-by-step explanation:

Perimeter of a rectangle means sum of the lengths of all sides of rectangle

let,

any two opposite sides of rectangle be" l, l" because opposite sides of rectangle are equal

and another two opposite sides of rectangle be "b, b"

perimeter of rectangle = sum of all sides

=l+l+b+b

=2l + 2b

=2(l+b) {Taking 2 as common}

therefore,

perimeter of rectangle =2(l+b)

Hence proved