Pre algebra VOCAB

Question 1

Area

Answer 1

The measure, in square units, of the inside region of a 2-dimensional figure or the surface of a 3-dimensional figure.

Question 2

Circumference

Answer 2

The perimeter of a circle. The length of the perimeter of a circle.

Question 3

Radius

Answer 3

The distance from the center of a circle to the edge.

Question 4

Diameter

Answer 4

The distance across a circle from edge to edge going through the center.

Question 5

Rectangular Prism

Answer 5

A 3-dimensional figure with six faces.

Question 6

Cylinder

Answer 6

A 3-dimensional figure with two parallel and congruent circles as bases, one curved surface, two curved edges, and no vertices.

Question 7

Net

Answer 7

A 2-dimensional shape that can be folded into a 3-dimensional figure is a net of that figure.

Question 8

Surface Area

Answer 8

The total area of the faces (including the bases) and curved surfaces of a sold figure.

Question 9

Volume

Answer 9

The number of cubic units it takes to fill a figure.

Question 10

Pi

Answer 10

The ratio of the circumference of any circle to its diameter, approximately to 3.14.