Definitely Definitions
Points, Lines and Planes
What is that?
Keep Defining
Shapes
100

part of a line containing two endpoints and all points between them.

What is a Line Segment

100

a position in space

What is a Point

100

a closed figure consisting of straight lines

What is a Polygon

100

the geometric word for "equal" in size

What is Congruent

100

the number of points on a line

Infinitely Many

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

points extending infinitely in opposite directions

What is a Line

200

a four-sided polygon

What is a quadrilateral

200

lines not on the same plane (surface) that do not intersect

What are Skew Lines

200

a shape with eight sides

What is an Octagon

300

the middle of a line segment

What is a Midpoint

300

Flat surface extending in all directions

What is a Plane

300

A quadrilateral with one pair of opposite sides parallel

What is a trapezoid

300

an angle with less that 90 degrees

What is an Acute Angle

300

A= 2L + 2W

What the formula for perimeter of a rectangle

400

a pair of rays that have common endpoints

What is an Angle

400

lines that intersect to form right angles

What are Perpendicular Lines

400
a quadrilateral that is equilateral and equiangular
What is a Square
400

A parallelogram with all sides equal

What is a rhombus

400

4s

What is the formula for perimeter of a square

500
two angles whose measures have sum 90
What are Complementary Angles
500

lines that never cross

What are Parallel Lines

500

a three-sided polygon

What is a triangle

500
an angle that measures more than 90 degrees
What is an Obtuse Angle
500

a five sided shape

What is a Pentagon

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