Vocab Flashcards
Equiangular triangles
A triangle with equal angles
Acute angles
No angles above 90 degrees
Scalene triangle
No sides are the same
Obtuse triangle
A triangle with on angle above 90 degrees
Right triangle
A triangle with one angle of exactly 90 degrees
Perpendicular bisector
A line that that intersects a line and forms a 90 degree angle
Angle bisector
A line that cuts a angle in half
Median
A number half way in between a line or set of numbers
Altitude of a triangle
altitude of a triangle is a line segment through a vertex and perpendicular to a line containing the base
Centroid
The midldle and center of gravity of a triangle
Circumcenter
Point of concurrency between the perpendicular bisectors in the middle of the triangle
Incenter
The point forming the origins the circle inscribed inside a triangle
Orthocenter
The intersection of three altitude
Vertical angles
When two lines intersect the opposite angles are vertical angles and are congruent
Linear pair
Two angles that equal 180 degrees
Conditional statement
A statement that is presumed to be in order to find its truth value
Complementary angles
Two angles that equal 180
Supplementary angles
angles that equal 90 degrees
Regular polygons
A polygon where all sides are equal
Parallel lines
line on the same plane that will never touch
Skew lines
Lines that will never touch but are on different planes
Equilateral triangles
A triangle with equal sides
