Triangles Flashcards
A figure bounded by three straight lines
Triangle
The amount of parts every triangle has
Six
Parts of a triangle
Three sides and three angles
The side upon which a triangle is supposed to stand is called the…
Base
An angle formed by one side of a triangle and the adjacent side extended through the vertex
Exterior Angle
An exterior angle and its adjacent angle are…
Supplementary Angles
A segment or line drawn from any vertex to the midpoint of the opposite side
Median (of a triangle)
A segment perpendicular from vertex to the opposite side
Altitude (of a triangle)
The sum of three angles of a triangle is equal to…
A straight angle (or 180 degrees)
The amount of degrees of an exterior angle is the same as…
The sum of interior angles that are not adjacent/remote angles
Interior angles that are not adjacent to the exterior angle
Remote angles
Triangle with no equal sides and no equal angles
Scalene triangle
Triangle where two sides are equal, opposite angles of the equal sides are also equal
Isosceles Triangle
Triangle where all sides are equal and all angles are equal
Equilateral Triangle
If the triangle is equilateral, then it is also…
Equiangular