Triangles
Congruence Transformations
Using Perpendicular Bisectors
Medians & Angle Bisectors
6.1 - 6.2
100
A triangle with no congruent sides
Scalene Triange
100
An operation that moves or changes a geometric figure in some way to produce a new figure
Transformation
100
When a point is the same distance from each figure
Equidistant
100
The point of concurrency of three angle bisectors of a triangle
Incenter
100
A quantity compared to another quantity
Ratio
200
A triangle with at least two congruent sides
Isosceles Triange
200
Moves every point of a figure the same distance in the same direction
Translation
200
A segment, ray, line, or plane that is perpendicular to a segment at its midpoint
Perpendicular Bisector
200
A ray that divides an angle into two congruent adjacent angles
angle bisector
200
An equation that states that two ratios are equal
Proportion
300
A triangle with three congruent sides
Equilateral Triangle
300
Uses a line of reflection to create a mirror image of the original figure
Reflection
300
When three or more lines, rays, or segments intersect in the same point
Concurrent
300
A segment from a vertex to the midpoint of the opposite side
Median
300
x = the square root of ab
geometric mean
400
A triangle with three congruent angles
Equiangular Triangle
400
Turns a figure about a fixed point
Rotation
400
The point of concurrency of the three perpendicular bisectors of a triangle
Circumcenter
400
The point of concurrency made by a median
Centroid
400
* a/b = c/d * in this equation, b and c are...
the means of the proportions
500
A triangle with three acute angles
Acute Triangle
500
New figure after a transformation
Image
500
The point of intersection of lines, rays, or segments
Point of Concurrency
500
The perpendicular segment from a vertex to the opposite side or the line that contains the opposite side
Altitude
500
* a/b = c/d * in this equation, a and d are the.....
Extremes of the proportion
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