What symbols are used to identify points, lines, rays...

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

What symbols are used to identify points, lines, rays...

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