Bisector
A line that divides something in half
Construction
Using only a compass and straightedge to accurately draw shapes, lines, or angles
Regular polygon
A polygon, where all sides and interior angles are equal
Congruent
Identical in shape and size
Equilateral
All sides are the same length
1 dimensional
Only has length
2 dimensional
Has length and height
3 dimensional
Has length, height, and depth
Plane
Flat surface with 2-dimensions
Conjecture
Statement/guess that has yet to be proven
Inscribed polygon
All vertices are on the circle and all sides are inside the circle
Quadrilateral
A four sided figure
Rhombus
Quadrilateral with four congruent sides
Translation
Transformation where the whole shape must move the same distance
Rotation
Each point in a figure must rotate the same amount of degrees
Reflection
Mirroring a shape
Parallelogram
Four sided shape with 2 pairs of parallel lines
Circumcenter
A point where the three perpendicular bisectors in a triangle meet.