Answer:
5
Step-by-step explanation:
25=5x5
z = 5 meters
since the area = 25 [tex]m^2[/tex] and the only value is z, we have to multiply a number by itself that will equal 25 [tex]m^{2}[/tex].
z × z = 25 [tex]m^{2}[/tex]
5 × 5 = 25 [tex]m^{2}[/tex]
