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# geometry vocab.

### geometry vocab. words

TermDefinition
Area the size a surface takes up- measured in square units.
Volume the amount of space occupied by a 3D object- measured in cubic units.
Net flat shape which can be folded up into a 3D solid.
Surface Area total area of the surface of a 3D object- measured in square units.
Vertex a point where two or more rays of an angle meet, to adjacent sides of polygon meet, or the edges.
Triangular pyramid a solid shape with a polygon as a base and triangular faces that appear to a point (vertex or apex)
Triangular prism a polygon a prism with two identical, triangular bases.
Coordinate plane a plane containing perpendicular (y and x) interesting at a point called the origin- position is denoted using pairs.
Parallelogram a quadrilateral with opposite sides that are parallel and of equal length, and opposite angles that are equal.
Decomposition a method of subtraction.
Rhombus parallelogram with four equal sides and equal positive angles.
Rectangular pyramid a solid shape with a rectangle as a base triangular faces that appear at a point.
Rectangular prism a polyhedron- a prism with two identical rectangular bases.
Created by: katelyn10

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