Answer:
[tex]7 \sqrt{2} [/tex]
Step-by-step explanation:
given : area =98π
we know area of a circle = π r^2
hence
πr^2=98π { cancelling both π }
r^2=98
[tex]r = \sqrt{98} [/tex]
[tex]r = 7 \sqrt{2} [/tex]
hope it helps
