Chapter 14: Geometry (Vocabulary)

A figure that is formed by two rays with the same endpoint.

• polygon

• angle

• vertex

• attribute

A characteristic of an object such as color, size, shape, or thickness.

• endpoint

• angle

• ray

• attribute

The point at either end of a line segment.

• vertex

• parallel line

• angle

• endpoint

A polygon with six sides and six angles.

• hexagon

• pentagon

• triangle

• octagon

A polygon with eight sides and eight angles.

• hexagon

• rectangle

• octagon

• quadrilateral

Lines that are the same distance apart and do not meet.

• perpendicular lines

• rays

• parallel lines

• segments

A quadrilateral with four sides in which each pair of opposite sides are parallel and equal in length.

• rectangle

• trapezoid

• rhombus

• parallelogram

A polygon with five sides and five angles.

• hexagon

• square

• pentagon

• triangle

A closed plane figure formed using line segments that meet only at their endpoints.

• polygon

• trapezoid

• angle

• quadrilateral

A shape that has four sides and four angles.

• quadrilateral

• triangle

• pentagon

• rhombus