CHAPTER 3. GEOMETRY
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Figure 52.
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- OÜ
ê Ü
o
O+ O
= =
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- p_=πêO=
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- p`=π(ÜO+êO)=
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- p=p_+p`=π(ÜO+OêO)=π(OoÜ+êO)=
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- O()Ü(PêO ÜO)
S
Ü Po Ü
S
s +
π
− =
π
= =
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3.36 Spherical Sector
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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=
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