1 day 1

day 1
Points, Lines & Planes (1.1)
p8
day 1
what is a point?
Points, Lines & Planes (1.1)
day 1
p8
what do you call points that lie on the same straight line?
give an example
what's the definition?
what's a line?
what's a plane?
what do you call points or lines that lie on the same plane?
these are called undefined terms
Points, Lines & Planes (1.1)
p8
day 1
Points, Lines & Planes (1.1)
p8
day 1
ex2: how many planes are there on this house?
ex1:
a) name 3 collinear points
b) name 3 coplanar points
c) name 3 points not collinear
d) name 3 points not coplanar
Points, Lines & Planes (1.1)
p8
day 1
naming conventions
Points, Lines & Planes (1.1)
p8
day 1
Two lines meet at a point
D
A
F
B
m
C
E
P
Two planes meet at a line
do two lines always meet at a point?
do two planes always meet on a line?
how to name a point
how can 3 planes meet?
how to name a line
how can two lines not be parallel and not meet?
how to name a plane
13-31 odd
1
day 1
Points, Lines & Planes (1.1)
day 1
p8
Points, Lines & Planes (1.1)
p8
day 1
ex3: true or false?
how did they do it?
skew lines - not in same plane
Points, Lines & Planes (1.1)
p8
day 1
hw: p8#13 - 55 odd 58 64
compass
ruler
protractor
2