Answer :
your answer would be
[tex]a = \pi(r)^{2} [/tex]
[tex]a =(5)^{2} \pi[/tex]
[tex]a = 25\pi[/tex]
[tex]a = \pi(r)^{2} [/tex]
[tex]a =(5)^{2} \pi[/tex]
[tex]a = 25\pi[/tex]
