What symbols are used to identify points, lines, rays...
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What symbols are used to identify points, lines, rays, segments and angles?
Transcript of What symbols are used to identify points, lines, rays...
What symbols are used to identify points, lines, rays, segments and angles?
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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?
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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
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"¥alto or ⇐
DE or FB4
AKANAvtrtex
b¥AAmtbly<BMD go¥
ODLBMC }< CMD < go .47>900#
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a) FBORJA
DE or ←
c) AForb=n
Homework: L7: pgs 51-52 #1-30
PERPENDICULAR
Homework: L7: pgs 51-52 #1-30
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$ Sgx-7=38
it-
