Page 51 - 1300 Math Formulas
P. 51
CHAPTER 3. GEOMETRY
Ü ~Ä
226. ê = = =
O O
=
ÅÇ ÅÇ Å Å O Å ~ + Ä ~ Ä
227. o = = = N+ = Ü + Å = + S + =
O
O
O Ü ê Q O ~Ä O Ü U Ä ~
=
)~ +
228. O (i = Ä = Å Q =
=
~ + ( Ä Ä )~ + ~Ä iê
229. p = ⋅ Ü = = èÜ = ÅÜ = ==
O O O
=
=
=
3.12 Trapezoid with Inscribed Circle
=
_~ëÉë=çÑ=~=íê~éÉòçáÇW=~I=Ä=
i~íÉê~ä=ëáÇÉëW=ÅI=Ç=
jáÇäáåÉW=è=
^äíáíìÇÉW=Ü=
aá~Öçå~äëW=Ç Ç I =
N O
^åÖäÉ=ÄÉíïÉÉå=íÜÉ=Çá~Öçå~äëW=ϕ =
o~Çáìë=çÑ=áåëÅêáÄÉÇ=ÅáêÅäÉW=ê=
o~Çáìë=çÑ=ÅáêÅìãëÅêáÄÉÇ=ÅáêÅäÉW=o=
mÉêáãÉíÉêW=i=
^êÉ~W=p=
=
41
