Review of points, lines and planes

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