PR =
PS=
m<KML=
KL=
x=
SR=
m<LMN
Altitude
Median
Angle Bisector
Pependicular bisector
Yes
No
<P
<Q
<R
<D
<B
<C
LM
LK
KM
(n-2)180
((n-2)180)/n
360
360/n