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Math Vocab Chapter 9 > Math Vocab > Flashcards

Math Vocab Flashcards

1
Q

Circumference

A

The distance around a circle

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2
Q

Pi

A

The ratio of the circumference of a circle to the length of the diameter.

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3
Q

Composite figure

A

A figure made up of simple geometric shapes

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4
Q

Face

A

A flat surface of a polyhedron

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5
Q

Edge

A

The line segment along which two faces of a polyhedron intersect

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6
Q

Polyhedron

A

A three dimensional figure in which all the surfaces or faces are polygons

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7
Q

Vertex

A

On an angle or polygon the point where two sides intersect

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8
Q

Base

A

A side of a polygon

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9
Q

Prism

A

A polyhedron that has two congruent polygon shaped bases and other faces that are all parallelograms

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10
Q

Pyramid

A

A polyhedron with a polygon base and triangular sides that all meet at a common vertex

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11
Q

Cylinder

A

A three dimensional figure with two parallel congruent circular bases connected by a curved lateral surface

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12
Q

Cone

A

A three dimensional figure with one vertex and on circular base

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13
Q

Sphere

A

A three dimensional figure with all points the same distance from the center

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14
Q

Volume

A

The number of cubic units given to fill a space

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15
Q

Net

A

An arrangement of two dimensional figures that can be folded to form a polygon

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16
Q

Surface area

A

The sum of the areas of the faces, or surfaces of a three dimensional figure

17
Q

Lateral face

A

A face of a prism or a pyramid that is not a base

18
Q

Lateral area

A

The sum of the areas of the lateral faces of a prism or pyramid, or the area of the lateral surface of a cylinder or a cone

19
Q

Radius

A

A line segment with one endpoint at the center of a circle and the other endpoint on the circle, or the length of that segment

20
Q

Diameter

A

A line segment that passes through the center of a circle and has endpoints on the circle, or the length of that circle

21
Q

Perimeter

A

The distance around a polygon

Math Vocab Chapter 9 (1 decks)

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