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6th grade geometry vocabulary

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#geometry #6th grade #Math vocabulary #geometry vocabulary

the amount of space taken up by a 2-dimensional (flat) object/figure

Area

15

Definition: the bottom face of a figure from which the height is determined.

Base (of a 3-d figure)

15

Definition: the measurable size of something. Often refers to length, width and/or height.

Dimension

20

Definition: the side of a polygon or a line segment where two faces of a solid figure meet.

Edge

15

Definition: flat surface of a three-dimensional shape.

Face

10

Definition: the polygonal surfaces of a 3-dimensional figure, excluding the bases. (2 words)

Lateral Face

25

Definition: A flat shape which can be folded up into a three-dimensional solid.

Net

15

Definition: a solid three-dimensional shape with two identical, parallel polygon bases.

Prism

15

Defintion: A solid three-dimensional shape with a polygon base and triangular faces that taper to a point, also called the vertex or apex.

Pyramid

15

Definition: a figure that has two pairs of opposite equal parallel sides, and four right angles.

Rectangle

5

Definition: A 3-dimensional figure with 2 congruent, parallel bases that are rectangles; the remaining faces are rectangles.

Rectangular Prism

15

Definition: A 3-dimensional figure with exactly one rectangular base; the remaining faces are triangles.

Rectangular Pyramid

20

Definition: The metric unit used to measure the area of a given surface.

Square Unit

15

Definition: The total area of the faces and base(s) of a 3-dimensional figure.

Surface Area

20

Definition: A solid figure or an object or shape that has three dimensions—length, width, and height.

Three- Dimensional Fiigure

20

Definition: A polygon with three angles and three sides.

Triangle

5