1300 Math Formulas

(Dana P.) #1
CHAPTER 3. GEOMETRY

3.20 Sector of a Circle


=


o~Çáìë=çÑ=~=ÅáêÅäÉW=o=
^êÅ=äÉåÖíÜW=ë=
`Éåíê~ä=~åÖäÉ=Eáå=ê~Çá~åëFW=ñ=
`Éåíê~ä=~åÖäÉ=Eáå=ÇÉÖêÉÉëFW=α=
mÉêáãÉíÉêW=i=
^êÉ~W=p=
=
=

=


=


Figure 35.
=



  1. ë=oñ=




  2. °




π α
=
NUM

o
ë =

=



  1. i=ë+Oo=




  2. °




π α
= = =
PSM

o
O


O


p

O O
==

=
=
Free download pdf