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Geometry Vocabulary

Unit 3

a triangle where all angles are acute acute triangle
a triangle where at least two sides are congruent isosceles triangle
a triangle where all angles are congruent equiangular triangle
a segment whose endpoints are a vertex and the midpoint of the opposite side median
in a triangle, the point of concurrency of the medians. (center of gravity) centroid
in a triangle, the segment connecting the midpoints of two sides midsegment
the circle is inside the triangle and touches each of the 3 sides inscribed in
a triangle where all sides are congruent equilateral triangle
a triangle where one angle is 90 degrees (one right angle) right triangle
a triangle where one of the angles is obtuse obtuse triangle
a triangle where none of the sides are congruent scalene triangle
a triangle is both equilateral and equiangular regular triangle
a line that splits one angle into two congruent angles angle bisector
the perpendicular segment from a vertex to the line containing the opposite side altitude
a line that splits a segment into two congruent segments perpendicular bisector
the point of currency of the perpendicular bisectors of the triangle circumcenter
the point of concurrency of the angle bisectors of a triangle incenter
the point of concurrency of the altitudes of a triangle orthocenter
the circle is around/on the outside of the triangle and contains the triangle vertices circumscribed about
equal distances equidistant
when 3 or more lines intersect in one point concurrent
the point at which 3 or more lines intersect point of concurrency
Created by: courtneyc1998