Parallel Lines
What is the first step in making a pair of parallel lines?
Draw a transversal line through through the line and the given point not on the line.
To divide an angle in half is...
An angle bisector.
The tool used to make circles and arcs.
compass
A line that divides another line in half.
perpendicular bisector
Two line segments that have the same length.
congruent line segments
Two lines that never intersect.
parallel
How can you construct a right angle?
Drawing a perpendicular line.
Definition of a Construction
To draw shapes, angles, or lines accurately
Where does a perpendicular bisector cross a line segment?
At its midpoint.
The first step to drawing a segment bisector is...
Place the pin at one end of the line, and the pencil more than halfway.
How many arcs are made after constructing a pair of parallel lines?
2
Where is the compass placed when drawing a 45 degree angle?
The point of intersection.
Tool used to keep lines straight when making constructions.
straight edge
How far must the compass extend to construct a perpendicular bisector?
More than half way.
Where do you draw the arcs for a segment bisector?
Above and below the line.
How many straight lines should be drawn to construct parallel lines?
3
True or False? Start constructing an angle with a line segment.
True.
Two lines that never intersect.
parallel lines
What do you need to find a perpendicular line of a given line?
A point on the line and a point where you want the line to be.
Is it possible to construct congruent line segments using only a straight edge?
No, it is not possible.