Geometry Unit 2 Vocab
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15 Terms
Angle bisector
A segment that divides an angle into two congruent sides
Perpendicular bisector
A segment that bisects the side of a triangle and forms 90 degree angles
Median
A segment whose endpoints are a vertex and the midpoint of the opposite side
Altitude
Perpendicular segment from a vertex to the other side
Orthocenter
The point of concurrency of three altitudes
Incenter
The point of concurrency of three angle bisectors
Centroid
The point of concurrency of three medians
Circumcenter
The point of concurrency of three perpendicular bisectors
Equilateral Triangle
A triangle with three congruent sides and three congruent angles
Isosceles Triangle
A triangle with two or more congruent sides
Scalene triangle
A triangle with no congruent sides
Reflection
A transformation that flips a figure across a line
Rotation
A transformation that turns a figure about a fixed point
Translation
A transformation that slides all points of a figure the same distance and direction
Midsegment
A segment connecting the midpoints of two sides of a triangle