8.1
8.2
8.3
8.4
vocabulary
100
Name two line segments.
D,E and E,F
100
What type of angle pair is this?
adjacent angle
100
What type of angle is this?
acute
100
What type of lines are these?
parallel
100
What is a point?
An exact location that has no size.
200
Name 1 line.
F,G
200
What type of angle pair is this?
Complementary
200
What type of angle is this?
Right
200
What type of lines are these?
perpendicualr
200
What is a line?
A straight path that has no thickness and extends forever.
300
What is this an example of?
A line segment
300
What type of angle pair is this?
congruent
300
What type of angle is this?
obtuse
300
What type of lines are these?
Skew
300
What is a plane?
A straight path that has no thickness and extends forever.
400
What is point O?
The vertex.
400
What type of angle pair is this?
supplementary
400
What type of angle is this?
Straight
400
What type of lines are these?
intersecting
400
What is a line segment?
a part of a line made of two endpoints and all the points between them.
500
Name each one.
1. line segment
2. line
3. ray
4. point
5. line
500
What type of angle pair is this?
vertical
500
What type of angle is <4,6 and <6,C?
<4,6 is right and <6,C is acute.
500
Does this figure only show intersecting lines?
No it also shows perpendicular lines because they form a right angle.
500
What is a ray?
a part of a line that starts at an endpoint and extends forever in one direction.