Triangles and Bisectors

Front

The point where 3 or more concurrent lines intersect (meet) is called _________________________?

Back

Point of Concurrency

Front

Which point is equidistant from the vertices of a triangle?

Back

Circumcenter

Front

Which point is equidistant from the sides of a triangle?

Back

Incenter

Front

Define: INCENTER OF A TRIANGLE

Back

The intersection point of the three angle bisectors of a triangle.

Front

What is the measure of x if the angles in a triangle are 40°, 49°, and x°?

Back

x = 91°

Front

What is the sum of the interior angles of a triangle?

Back

180°

Front

What is the relationship between the angles in a right triangle?

Back

One angle is 90°, and the sum of the other two angles is 90°.

Front

What is a median in a triangle?

Back

A line segment from a vertex to the midpoint of the opposite side.

Front

What is an altitude in a triangle?

Back

A perpendicular segment from a vertex to the line containing the opposite side.

Front

What is the circumradius of a triangle?

Back

The radius of the circumcircle, which passes through all three vertices.