What symbols are used to identify points, lines, rays...
Transcript of 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?
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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.
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← point
as many pointsas it wants
NEVER STOPS!
M¥ goes on Forever in 1 direction
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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.
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# or #
* *¥*
• as tfm¥C
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¥±¥#¥#t→Fastest
7cm - 3cm =
4M¥n±⇒¥o
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oblique .
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Classify each line.
Parallel
Perpendicular Oblique
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"¥alto or ⇐
DE or FB4
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AKANAvtrtex
b¥AAmtbly<BMD go¥
ODLBMC }< CMD < go .47>900#
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a) FBORJA
DE or ←
c) AForb=n
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Homework: L7: pgs 51-52 #1-30
PERPENDICULAR
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Homework: L7: pgs 51-52 #1-30
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$ Sgx-7=38
it-