Points, Lines, Planes Flashcards
1
Q
What does collinear mean
A
Points in the same line
2
Q
What does coplanar mean
A
All points on the same plane
3
Q
What are opposite rays
A
Have the same end point yet have two rays on opposite
4
Q
What is the distance equation
A
sq rt[(x2-x1)^2+(y2-y1)^2]= distance
5
Q
What is the midpoint equation
A
x2+x1
——— = midpoint x
2
y2+y1
——— = midpoint y
2
6
Q
How do 2 lines intersect?
Line and plane?
Two planes?
A
At a point
At a point
On a line
7
Q
How should the length of a segment be written
A
CD= 2 cm
____
The length of CD is 2 cm
8
Q
How do I show two lines that are the same length
A
With the sign of confidence
~
=
9
Q
How do u name a plane two things?
A
- Use the letter it shows (plane p)
2. Find three point that are non collinear and use those
10
Q
How many points do you need to define a plane
A
Three non collinear points
