Misc
Angles
Lines
Triangles
Polygons
100
a location in space that can be represented by a dot.
What is a point.
100
measures exactly 180 degrees
What is a straight angle
100
a straight path that goes on forever in one direction from an endpoint
What is a ray
100
has one angle that is greater than 90 degrees
What is an obtuse triangle
100
a four sided polygon
What is quadrilateral
200
two rays or line segments with a common endpoint, called the vertex
What is an angle
200
angle that measures greater than 180 degrees
What is a reflex angle
200
lines that cross or meet
What are intersecting lines
200
has three angles that are less than 90 degrees
What is an acute triangle
200
six sided
What is a hexagon
300
pattern of congruent shapes with no gaps or overlaps
What is a tessellation
300
angles that are next to each other they have a common vertex and a common side, but no other overlap
What is an adjacent angle
300
lines that never meet or cross and are the same distance apart
What are parallel lines
300
no sides are equal
What is a scalene triangle
300
five sided
What is a pentagon
400
mirror image of a figure that has been flipped over a line
What is a reflection
400
angles that are opposite each other when two lines intersect, and that are the same measure
What are vertical angles
400
the common endpoint of an angle where two rays or line segments meet
What is a vertex
400
all sides are equal
What is an equilateral triangle
400
8 sided
What is an octagon
500
when a figure can be rotated less than 360 degrees and exactly match the original image
What is rotational symmetry
500
two angles whose sum equals 180 degrees
What are supplementary angles
500
segments that intersect at right angles
What are perpendicular line segments
500
at least two sides are equal
What is an isosceles triangle
500
closed figure made up of six sides and angles of different measurements
What is an irregular hexagon
M
e
n
u