POINTS, LINES, & PLANES
TOPIC: ReviewLesson 1.1-1.3
POINTan exact location in space
A
LINEa straight path of points that goes on and on in two directions
PLANEan endless flat surface
Planes can be…
intersecting
perpendicular
parallel
PARALLEL LINES never intersect
PERPENDICULAR LINESform square corners with
right angles.
INTERSECTING LINESpass through the same point
What kind of lines are these?
A. ParallelB. IntersectingC. Perpendicular
Go to the next slide to check your answer.
B. INTERSECTING
Were you correct?
What kind of lines are these?
A. PerpendicularB. ParallelC. Intersecting
Go to the next slide to check your answer.
B. PARALLEL
Were you correct?
On the line, what is K called?
A. PointB. Intersecting lineC. Parallel line K
A. POINT
Were you correct?
What kind of lines do these look like?
A. IntersectingB. ParallelC. Perpendicular
Go to the next slide to check your answer.
A. INTERSECTINGAND
C. PERPENDICULAR Were you stumped or did you figure it out?
Which 2 lines are parallel?
A C E
F H G
AE and FG OR AE and CH
Did you guess AE and FG?
You were correct!
You’re a star!
Which 2 lines are perpendicular?
M P
S O
R N
MR and PN OR MR and OS
Did you guess MR and OS?
You were correct!
Now you are ready to do your homework.
In class work: p. 14,(1-5) 10 problemsHomework: p. 14 (2-22 even) 20 problemsQuiz 1.1-1.3 TOMORROW