Term

Definition
of a segment is a line, a ray, or even a plane that is perpendicular to a segment at mid point. 


Term
perpendicular bisector theorem 

Definition
if a point is on the perpendicular bisector of segment, then it is equidistant from the endpoints of a segment. 


Term

Definition
if a point is on the bisector of an angle, then the point is equidistant from the angle 


Term

Definition
if a point in the interior of an angle is equidistant from the sides of the angle, then angle the point is on the angle bisector 


Term
Perpendicular bisector of a triangle 

Definition
is a line that is perpendicular to a side of a triangle at the sides of midpoint 


Term

Definition
three or more line intersect at one point 


Term

Definition
point which the intersect 


Term
concurrency of perpendicular of bisector 

Definition
the perpendicular bisector of the side of a triangle are concurrent at point equidistant from the vertices 


Term
circumcenter of a triangle 

Definition
the point of concurrency of the perpendicular bisector of this triangle 


Term
Circumcenter of acute triangle 

Definition


Term
Circumcenter of right triangle 

Definition
on the hypotenuse of the triangle 


Term
circumcenter of obtuse triangle 

Definition


Term

Definition
is a bisector of an angle of the triangle split the angle in half 


Term
Concurrency of angle bisector theorem 

Definition
the bisector of the angles of a triangle are concurrent at a point equidistant from the sides of the triangle 


Term

Definition
the point of concurrency of a bisector of a triangle 


Term

Definition
is a segment whose endpoints are a vertex and the midpoint of the opposite side. a triangle three median are always cuncurrents 


Term
conccurrency of the median theorem 

Definition
the median of a triangle are at a point the is two thirds the distance form each vertex to the midpoint of the opposite sides 


Term

Definition
is the perpendicular segment form a vertex of a triangle to the line containing opposite sides. can be inside or outside the triangle to it can be a side of a triangle 


Term
concurrency of altitudes theorem 

Definition
the lines that contain the altitudes of a triangle are concurrent 


Term
Orthocenter of a triangle 

Definition
the orthocenter of a triangle can be inside,on, or outside the triangle 

