Definitions
Images
Angles
Lines
Challenge Words (All worth 500)
100
a series of points that extends in two opposite directions without end
What is a line?
100
What is this an image of?
What is a Point?
100
What kind of angle is this?
What is an acute angle?
100
Lines that cross to form right angles; looks like a cross
What are perpendicular lines?
100
Angles on either side of a transversal BETWEEN a pair of lines
What are interior angles?
200
consists of one endpoint and all the points of the line are on one side of the endpoint
What is a ray?
200
What kind of lines are these?
What are parallel lines?
200
What kind of angle is this?
What is an obtuse angle?
200
Lines that do not cross
What are parallel lines?
200
points that are on the same line
What is collinear?
300
the common endpoint of two lines; found at the corner of an angle
What is a vertex?
300
The symbol
°
stands for
What is degrees?
300
An angle that measure 90 degrees and is shown by a square
What is a right angle?
300
segments that have the same length
What are congruent segments
300
a flat surface with no thickness that extends without end in all directions on the surface
What is a plane?
400
line that has two endpoints and all points of the line are between the endpoints
What is a line segment?
400
What kind of angles are shown
What are supplementary angles?
400
Angle that measures 180°
What is a straight angle?
400
Lines that cross
What are Intersecting Lines?
400
What is this?
What is a transversal?
500
has two sides and a vertex
What is an angle?
500
What TWO things are shown?
What are lines and line segments?
500
Angles on either side of a transversal OUTSIDE a pair of lines
What are exterior angles?
500
lines that are not parallel and do not intersect; they lie on different planes
What are skew lines?
500
What does a Complementary Angle Measure?
What is 90 degrees?