unit 1 day 3

unit 1 day 3 surface area of prism, pyramid, cylinder, cone, sphere


http://www.youtube.com/watch?v=gi7aaZ87EoQ

Quiz
1 radius of a sphere is 30 whats the surface area 
2 If a prism l= 10 h= 10 w= 20 
3 if the R is 15 of a sphere

answers
1 4 Pi r^2 = 11309.73
2 1000
3 2827.43