Definitely Definitions
Points, Lines and Planes
What is that?
Keep Defining
Polygons
100
part of a line containing two endpoints and all points between them.
What is Line Segment
100
one of the three "undefined terms" in Geometry having only position
What is Point
100
a closed figures with more than three sides and angles
What is a Polygon
100
Two segments with the same length
What are Congruent Segments
100
a polygon with 10 sides
What is a Decagon
200
part of a line that consists of one endpoint and all points of the line extending in one direction
What is a Ray
200
one of the three "undefined terms" in geometry having only length (one dimension)
What is Line
200
a circular design meant to be representative of you or an event
What is a Mandala
200
noncoplanar lines that do not intersect
What are Skew Lines
200
a polygon with 5 sides
What is a Pentagon
300
The point of a line segment that divides it into two parts of the same length.
What is Midpoint
300
one of the three "undefined terms" in geometry having length and width but no depth (two dimensions)
What is Plane
300
the first thing you make when performing a construction
What is a Construction Line
300
Lines that intersect at 90 degrees
What are Perpendicular Lines
300
a polygon with 8 sides
What is an Octagon
400
a pair of rays that share a common endpoint
What is an Angle
400
two or more points on the same line
What are Collinear Points
400
a quadrilateral that is equilateral and equiangular
What is a Square
400
an angle that measures 90 degrees
What is a Right Angle
400
a polygon with three sides
What is a Triangle
500
two angles whose measures have sum 90
What are Complementary Angles
500
coplaner lines that never cross
What are Parallel Lines
500
a triangle with no sides the same length
What is a Scalene Triangle
500
an angle that measures more than 90 degrees
What is an Obtuse Angle
500
a polygon with all sides congruent and all angles congruent
What is a Regular Polygon
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