Points of Concurrency
Types of Lines
Theorems and Definitions
Blast From The Past!
Random Math Info
100

The point of concurrency for perpendicular bisectors.

What is the Circumcenter?

100

A line/ray that splits an angle into two congruent halves.

What is an Angle Bisector?

100

The name for three lines that all intersect at the same point.

What are Concurrent Lines?

100

An object that starts at a point and continues off in a direction.

What is a Ray?

100

The mathematician behind the Pythagorean Theorem.

Who is Pythagoras?

200

The point of concurrency for medians.

What is the Centroid?

200

A line that splits a segment into two congruent parts at a 90 degree angle.

What is a Perpendicular Bisector?

200

The location where three lines meet.

What is the Point of Concurrency?

200

The name for a triangle in which no sides are congruent.

What is a Scalene Triangle?

200

The course for terms like "Derivative", "Integral", "Difference Quotient".

What is Calculus?

300

The point of concurrency for angle bisectors.

What is the Incenter?

300

A line that begins at a vertex and ends at the midpoint of the opposite side.

What is a Median?

300

If two sides of a triangle are congruent, then the angles opposite to them are also congruent.

What is the Base Angle Theorem?

300

The name for a line that crosses through two parallel lines.

What is a Transversal?

300

Creator of the Cartesian coordinate system, and author of the phrase, "I think, therefore I am".

Who is Renee Descartes

400

The point of concurrency for altitudes

What is the Orthocenter?

400

A line from a vertex to the opposite side or a line containing the opposite side that meets at a 90 degree angle.

What is an Altitude?

400

If two angles are nonadjacent (opposite) in an intersection, then they are congruent.

What is the Vertical Angle Theorem?

400

Another name for a perpendicular slope.

What is the Opposite Reciprocal?

400

The father of Geometry- outlined all early geometry concepts in his book "Elements", circa 300 B.C.E

Who is Euclid?