Geometry Module 8 Vocabulary

A circle that contains all the vertices of a polygon is ____________ about the polygon.

• inscribed

• circumscribed

• transscribed

• proscribed

In the figure, circle C is circumscribed about △XYZ, and circle C is called the ______________ of △XYZ.

• circulcircle

• incircle

• circumradius

• circumference

The center of the circumcircle is called the _______________ of the polygon being circumscribed.

• circumcenter

• incenter

• median

• centroid

Three or more lines are ______________ if they intersect at the same point.

• concurrent

• congruent

• perpendicular

• parallel

The distance from a point to a line is the length of the __________________ segment from the point to the line.

• perpendicular

• long

• straight

• parallel

A circle is ______________ in a polygon if each side of the polygon is tangent to the circle

• inscribed

• circumscribed

• transscribed

• interscribed

In the figure, circle C is inscribed in quadrilateral WXYZ and this circle is called the ______________ of the quadrilateral.

• incircle

• circumcircle

• transcircle

• centroid

In order to construct the incircle of a triangle, you need to find the center of the circle. This point is called the ____________ of the triangle.

• incenter

• circumcenter

• centroid

• orthocenter

A _____________ of a triangle is a segment whose endpoints are a vertex of a triangle and the midpoint of the opposite side.

• median

• meridian

• orthocenter

• midsegment

The centroid theorem states that the centroid of a triangle is located 2/3 of the distance from each _______________ to the midpoint of the opposite side.

• vertex

• midpoint

• median

• midsegment