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CHAPTER 3. GEOMETRY
3.21 Segment of a Circle
=
o~Çáìë=çÑ=~=ÅáêÅäÉW=o=
^êÅ=äÉåÖíÜW=ë=
`ÜçêÇW=~=
`Éåíê~ä=~åÖäÉ=Eáå=ê~Çá~åëFW=ñ=
`Éåíê~ä=~åÖäÉ=Eáå=ÇÉÖêÉÉëFW=α=
eÉáÖÜí=çÑ=íÜÉ=ëÉÖãÉåíW=Ü=
mÉêáãÉíÉêW=i=
^êÉ~W=p=
=
=
=
=
Figure 36.
=
271. ~ = O O Üo − Ü =
O
=
272. Ü = o − N Q o − ~ I= Ü < =
O
O
o
O
=
273. i = ë + ~ =
=
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