The following is an Incorrect flowchart proving that point L, lying on LM which is a perpendicular bisector of JK, is equidistant from points J and K:
X
N
LM is a perpendicular bisector
of JK
Given
4LNK= 90
4LNJ= 90°
LN LN
Reflexive Property of Equality
4LNK4LNJ
Definition of
Congruence
JNNK
Draw JL and KL
by Construction
AJNL AKNL
Side-Angle-Side (SAS)
Postulate
JL KL