**Find the perimeter of a rectangle with a length of 12 and a width of 4?**

length = 12

width = 4

perimeter = 2 * ( 12 + 4 )

perimeter = 32

A plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square.

where,

l = length

w = width

d = diagonal

p = perimeter

A = area