Question

The perimeter of square JKLM is 48 units.

Square J K L M is shown. The length of J K is x + 3.

What is the value of x?
6
9
12
15

Answer 1

Perimeter = 4 x sides
48 = 4 (x + 3)
48 = 4x + 12
36 = 4x
x = 9

Check:
x + 3 = 9 + 3 = 12
12 x 4 = 48

Answer 2

9

(Correct On Edgen)