what symbols are used to identify points, lines, rays...
TRANSCRIPT
What symbols are used to identify points, lines, rays, segments and angles?
.
What dimension do we live in?
What is a two-dimensional world called? What does it have and not have?
What does a one dimensional world called? What does it not have? What can they do and not do?
.
3 dimensional world - space !
plane . ✓L3W ODEPM
Vmovebackhsfortnline 0W } Depth
Cxableto Pass ¥Fw.
← point
as many pointsas it wants
NEVER STOPS!
M¥ goes on Forever in 1 direction
On your white boards, tell me why a ray or a line have a specific length.
Ready.GO!
Because a line and a ray go on indefinitely.
# or #
* *¥*
• as tfm¥C
¥±¥#¥#t→Fastest
7cm - 3cm =
4M¥n±⇒¥o
oblique .
Classify each line.
Parallel
Perpendicular Oblique
.
"¥alto or ⇐
DE or FB4
AKANAvtrtex
b¥AAmtbly<BMD go¥
ODLBMC }< CMD < go .47>900#
.
a) FBORJA
DE or ←
c) AForb=n
Homework: L7: pgs 51-52 #1-30
PERPENDICULAR
Homework: L7: pgs 51-52 #1-30
.
$ Sgx-7=38
it-