Unit 9 Vocabulary: Geometry

The distance around the outside of a shape or object.

• area

• perimeter

• volume

• cubic unit

The amount of space inside the boundary of a flat object. The size of a surface.

• perimeter

• volume

• area

• cubic unit

The amount of 3-dimensional space an object takes up.

• perimeter

• area

• volume

• cubic unit

The area of the bottom or first layer of a 3D shape.

• Volume

• Area of the Base

• Cubic Unit

• Congruent

The unit(s) used to measure volume.

• Cubic Units

• Congruent

• Volume

• Area

The identical or the same.

• Area

• Volume

• Congruent

• Cubic Unit

Location where the lines of a polygon meet.

• Polygon

• Congruent

• Cubic Unit

• Vertex/Vertices

A 2-dimensional shape with straight sides.

• Polygon

• Quadrilateral

• Parallelogram

• Rectangle

A polygon with 4 sides.

• Parallelagram

• Rhombus

• Polygon

• Quadrilateral

A quadrilateral that has two sets of parallel and congruent sides.

• Parallelogram

• Polygon

• Quadrilateral

• Congruent