1300 Math Formulas

(Dana P.) #1
CHAPTER 3. GEOMETRY


  1. = = ÇÇ ëáåφ
    O


N


p éê N O =

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3.16 General Quadrilateral


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páÇÉë=çÑ=~=èì~Çêáä~íÉê~äW=~I=ÄI=ÅI=Ç=
aá~Öçå~äëW=ÇNIÇO=
^åÖäÉ=ÄÉíïÉÉå=íÜÉ=Çá~Öçå~äëW=φ=
fåíÉêå~ä=~åÖäÉëW=αI=βIγIδ
mÉêáãÉíÉêW=i=
^êÉ~W=p=
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Figure 27.
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  1. α+β+γ+δ=PSM =°


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  1. i=~+Ä+Å+Ç=



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