Vocabulary
Constructions
Transformations
Polygons
Angle Relationships
100
a 1D figure extending in both directions infinitely is called a...
line
100
what is this called?
compass
100
what transformation is this?
translation
100
3-sided polygon?
triangle
100
What do we call angles that add up to 180º?
supplementary angles
200
segment drawn from the center of a circle to the circle itself
radius
200
what is this construction?
perpendicular bisector
200
what transformation is this?
reflection
200
5-sided polygon?
pentagon
200
What do we call angles that add up to 90º?
complementary angles
300
draw a pair of perpendicular lines
300
what construction is this?
angle bisector
300
describe a sequence of transformations that takes the pre-image onto the image
[answers vary]
translate left 8 spaces then reflect over x-axis
rotate 180º about the origin
reflect over the y-axis, then reflect over the x-axis
300
6-sided polygon?
hexagon
300
What do we call angles that are next to each other, sharing a vertex and a side?
Adjacent angles
400
define "collinear"
points lie on the same line
400
if a shape is inscribed in a circle, that means it...
...has all vertices on the circle
400
What are the coordinates of point P (-2, 3) after a translation 5 to the right and 5 down?
P' = (3, -2)
400
9-sided polygon?
nonagon
400
What do we call angles that are across the vertex from one another on intersecting lines?
vertical angles
500
the set of all points equidistant from one single point
circle
500
what type of triangle is this?
equilateral triangle
500
what 3 pieces of information do you need to describe a rotation?
center point, angle of rotation, direction of rotation
500
12-sided polygon?
dodecagon
500
A pair of congruent angles formed by a line intersecting a pair of parallel lines
answers vary: alternate interior, alternate exterior, corresponding