vocabulary unit 4 & 5. equilateral/equiangular triangle a triangle with 3 congruent sides and 3...
TRANSCRIPT
VocabularyUnit 4 & 5
Equilateral/Equiangular Triangle
A triangle with 3 congruent sides and 3 congruent angles
Isosceles TriangleA triangle with 2 congruent sides
and 2 congruent angles
Scalene TriangleA triangle with no sides or angles
congruent
Obtuse TriangleA triangle with exactly one
obtuse angle
Right TriangleA triangle with exactly one right
angle
Interior AngleAn angle inside a triangle or
polygon
Exterior AngleAn angle outside a triangle or
polygon
Perpendicular BisectorA ray, line, or line segment that
is perpendicular to another line segment and goes through its midpoint
Angle BisectorA ray that divides an angle into 2
congruent angles
MedianA segment that connects a
vertex to the midpoint of the opposite side
AltitudeA segment from a vertex to the
opposite side that is perpendicular to that side
Represents the height of a polygon
Point of ConcurrencyThree or more lines intersecting
at a single (common) point
MidsegmentA segment that connects the
midpoints of the sides of a triangle
Parallel to the 3rd side and ½ its length