CHAPTER 3. GEOMETRY=
=
Figure 52.
=- OÜ
ê Ü
oO+ O
= =
=
- p_=πêO=
=
- p`=π(ÜO+êO)=
=
- p=p_+p`=π(ÜO+OêO)=π(OoÜ+êO)=
=
- O()Ü(PêO ÜO)
S
Ü Po Ü
Ss +π
− =π
= ==
=
=3.36 Spherical Sector
=
o~Çáìë=çÑ=ëéÜÉêÉW=o=
o~Çáìë=çÑ=Ä~ëÉ=çÑ=ëéÜÉêáÅ~ä=Å~éW=ê=
eÉáÖÜíW=Ü=
qçí~ä=ëìêÑ~ÅÉ=~êÉ~W=p=
sçäìãÉW=s=
=