Question

I need some help with Geometry, I'm stuck on an open ended problem... Here is the link to the problem, there is five parts to this, any help would be appreciated.
http://i1296.photobucket.com/albums/ag4/ImnottheOne14/Geo_zpsgmhfzjmn.png

Answer 1

C

Answer 2

kidding

Answer 3

That was a guess

Answer 4

\(\large V_{cone} = \dfrac{1}{3} \pi r^2h\)

\(\large SA_{cone} = \pi r (sl) + \pi r^2\)