Answer:
225 square cm (B)
Step-by-step explanation:
All the sides of a square are the same, so this square has 4 sides of length 15 cm. The area of a square is just [tex]x^{2}[/tex] , where x is the side length.
In this case, x = 15, so the area is:
A = 15^{2} = 225 square cm
