CHAPTER 3. GEOMETRY

328. 
     

     e= ãO−oO=

     
     


329. 
     

     O

     
     

ãÇ

pi oã

π

=π = =

=

330. p_=πoO=

=

331. () 
     









= + =π + = π +

O

Ç

Ç ã

O

N

p pi p_ oã o =

=

332. oe
     P

N

pe

P

N

s= _ = π O =

=

=

=

3.33 Frustum of a Right Circular Cone

=

o~Çáìë=çÑ=Ä~ëÉëW=oI=ê=

eÉáÖÜíW=e=

pä~åí=ÜÉáÖÜíW=ã=

pÅ~äÉ=Ñ~ÅíçêW=â=

^êÉ~=çÑ=Ä~ëÉëW=pNI=pO=

i~íÉê~ä=ëìêÑ~ÅÉ=~êÉ~W=p=i

qçí~ä=ëìêÑ~ÅÉ=~êÉ~W=p=

sçäìãÉW=s=

=

=