SOLUTION: Find the surface area of the following: If they are to difficult to answer because the picture is not included just help me out with the correct formulas. Thank you. 1.Right ci

Algebra ->  Surface-area -> SOLUTION: Find the surface area of the following: If they are to difficult to answer because the picture is not included just help me out with the correct formulas. Thank you. 1.Right ci      Log On


   



Question 242300: Find the surface area of the following:
If they are to difficult to answer because the picture is not included just help me out with the correct formulas. Thank you.
1.Right circular cylinder topped with hemisphere.
base is 20ft height is 60ft.
2. Right circular cone topped with hemisphere.
Height of cone is 8cm and radius of hemisphere is 4cm.

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
1. s.a. hemisphere ___ 2 pi r^2
___ lateral area cylinder ___ 2 pi r h
___ area - end of cylinder ___ pi r^2

2. lateral area cone ___ 2 pi r s (s is slant height of cone)
___ by Pythagoras, s^2 = r^2 + h^2