Question

A rectangle picture frame has a width of 9cm and a length of x cm .

which expression represents the perimeter of the picture frame?
2(x+18)
2x+9
2x+18
x +9

Answer 1

Formula of perimeter = L.W.L.W also 2L x 2W
So width is 9cm x 2 = 18
X is length so
2x
Answer is 2x + 18