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Unit 5 Area&Volume

TermDefinition
2-Dimensional An object that has height and width.
3-Dimensional An object that has height, width, and depth.
Bases of a Prism The two faces formed by congruent polygons that lie in parallel planes, all of the other faces being parallelograms.
Composing Combining two or more geometric figures together into one figure.
Cubic Units Volume of the solids is measured in Cubic Units.
Decomposing subdividing a polygon
Edge The intersection of a pair of faces in a three-dimensional figure.
Equilateral Triangle A triangle which has all three of its sides equal in length.
Face One of the polygons that makes up a polyhedron.
Fractional edge length The length of each edge of the cube is a fraction.
Isosceles Triangle: A triangle which has two of its sides equal in length.
Kite A quadrilateral with two distinct pairs of equal adjacent sides. A kite-shaped figure.
Lateral Faces In a prism, a face that is not the base.
Net A two-dimensional figure that, when folded, forms the surfaces of a three-dimensional object.
Parallelogram A quadrilateral with both pairs of opposite sides parallel.
Polygon A number of coplanar line segments, each connected end to end to form a closed shape.
Polyhedron A 3-dimensional figure that has polygons as faces.
Prism A polyhedron with two parallel and congruent faces, called bases, and all other faces that are parallelograms.
Quadrilaterals Four coplanar line segments linked end to end to create a closed figure. A 4-sided polygon.
Rectangle A 4-sided polygon where all interior angles are 90°.
Rectangular prism A solid (3-dimensional) object which has six faces that are rectangles.
Rhombus A quadrilateral with all four sides equal in length
Right Triangle A triangle where one of its interior angles is a right angle (90 degrees).
Scalene Triangle A triangle where all three sides are different in length.
Square A quadrilateral that has four right angles and four equal sides.
Surface area The total area of the 2-dimensional surfaces that make up a 3-dimensional object.
Trapezoid A quadrilateral which has at least one pair of parallel sides.
Triangular prism A prism whose bases are triangles. A solid (3-dimensional object what has five faces: three rectangles and two bases.
Vertices The common endpoint of two or more rays or line segments
Volume The amount of space occupied by an object.
Created by: nzaboroskie