.U fo noitcelfer a si V neht ,V fo noitcelfer a si U fI---lacirtemmys si noitcelfeR
CBA F
D O
X O R O
O D
ABC F
.X ssorca CBA htiw esiwekiL .FOOD teg ot R ssorca DOOF tcelfeR---noitcelfeR tnioP-tnioP
\
GOD \ N |
\ O |
------------- \ D BAR | RAB
\ E |
GOD \ |
NODE \
.GOD htiw esiwekiL .EDON htiw esiwekiL .BAR teg ot enil a ssorca RAB tcelfeR---noitcelfeR eniL-tnioP
Point-Line Reflection---Reflect BAR across a line to get RAB. Likewise with NODE. Likewise with DOG.
/
| N / DOG
| O /
BAR | RAB D / -------------
| E /
| / DOG
/ EDON
Point-Point Reflection---Reflect FOOD across R to get DOOF. Likewise with ABC across X.
F ABC
O D
O R O X
D O
F CBA
Reflection is symmetrical---If U is a reflection of V, then V is a reflection of U.