answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.
step-by-step explanation:
p = perimeter
l = length
x=width
p = 2l + 2x
p = 2(l+x) < ==== perimeter of the base of the box.
answered: Guest
i only know the sequence of arithmetic it adds the first is 5+4 then it goes up as it adds to then it is 9+5 then 14+6 then to 20+7 and so on. 5,9,14,20,27,35.