Chapter 6 Vocab

The point of intersection of concurrent lines is called the

• Median

• Point of Concurrency

• Perpendicular Bisector

• Circumcenter

The point of concurrency of the medians of a triangle is always inside the triangle and is called the

• Altitude

• Circumcenter

• Centroid

• Incenter

A(n) ______ of a triangle is a segment from a vertex of the triangle to the line containing the opposite side and perpendicular to that side.

• point of concurrency

• circumcenter

• centroid

• altitude

The point of concurrency of the perpendicular bisectors of the sides of a triangle is called the

• centroid

• altitude

• circumcenter

• median

Any line, segment, or ray that passes through the midpoint of a segment and is perpendicular to that segment is a

• Median

• midsegment

• perpendicular bisector

• angle bisector

In a triangle, a(n)__________ is a line segment with endpoints that are a vertex of the triangle and the midpoint of the side opposite the vertex.

• altitude

• median

• perpendicular bisector

• angle bisector

When three or more lines intersect at a common point, the lines are called

• Point of concurrency

• concurrent lines

• centroid

• bisector

According to the​ ​ (a)   two sides of a triangle must be ​ (b)   the third side.

• triangle inequality theorem
• greater than
• less than
• greater than or equal to
• less than or equal to
• Triangle exterior angle inequality theorem

The ​ (a)   is used as a justification to prove that ​the measures of (b)   are ​ (c)   ​ the measures of their ​ (d)   angle.

• triangle exterior angle inequality theorem
• remote interior angles
• less than
• exterior
• greater than
• interior
• triangle inequality theorem

The ​ (a)   is known as the gravitational center of a triangle.

• centroid
• orthocenter
• circumcenter
• incenter
• supercenter