Hello!
To find the lateral area you use the equation
[tex] \pi r \sqrt{ h^{2} + r^{2} } [/tex]
You put in the values you know and you get 829.4
To find the surface area you use the equation
[tex] \pi r(r+ \sqrt{ h^{2} + r^{2} } [/tex]
Put in the values you know and you get 1209.5
The answer is A
Hope this helps!