Question

The perimeter of a square with sides of length 3x

Answer 1

3 x 4 = 12 because there are 4 sides and the length is 3, you multiply 3 and 4 together.

Answer 2

Perimeter of square=12x

Explanation:

the perimeter of a square with sides of length 3x

The side length of the square is 3x

To find perimeter we add all the sides. All sides are same in a square.

Perimeter of square= 4(a)

where 'a' is the side length

a= 3x. Substitute 3x for 'a'

Perimeter of square= 4(3x)=12x