Vocabulary
An object that has a starting point and goes infinitely in one direction.
Ray.
How many rays form the sides of an angle?
2
What's the first step to copy a line segment?
Draw a line!
Two lines that intersect and form four 90 degree angles.
Perpendicular lines.
It takes this many points to make a line.
What is 2
A basic geometric object that has two endpoints.
Line segment.
The name of the point where an angle 'bends.'
Vertex.
What are the 3 tools for geometric constructions?
Pencil, straight edge, compass
What is formed when two lines intersect?
What is a point.
Points that lie on the same line.
What is collinear
A geometric object that goes infinitely in two directions.
Line.
Draw angle CBR
B should be the vertex!
What is the first thing you do to construct a perpendicular bisector of a line segment?
Draw two overlapping circles from the endpoints
What is formed when two planes intersect.
What is a line.
Points that lie in the same plane.
What is coplanar
A line, segment, or ray that cuts an angle or another segment in half.
Bisector.
What are the 3 ways to label an angle? (give an example)
-vertex
-points with the vertex in the center
-number in the angle
What is the first step if you want to make a perpendicular line going through a point on the line?
draw 2 points equadistant from the point on the line
The term given to two lines or two planes that do not intersect.
What is parallel.
How many points are needed to form a plane?
What is 3.
Formed by two rays that have a common endpoint.
Angle.
An angle measures 30 degrees, what kind of angle is it?
Acute
To draw a perpendicular line, you create 2 overlapping circles... and then do what?
connect the intersections
The point in the middle of a line segment where a bisector would intersect the segment.
What is the midpoint.
A flat surface that extends indefinitely in all directions.
What is a plane.