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# Geometry

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Area
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Terms in this set (127)
Area is the number of square units enclosed by the two dimensional shape. Perimeter is the distance around the outside of a 2D shape. Area is the number of square units enclosed by the 2D shape.
Perimeter is the distance around the outside of a 2D shape. Two dimensional shape with four sides and one pair of parallel and congruent sides. Irregular shapes have sides and angles of any length and size. Radius is the distance from the center to the edge.

Diameter starts at one side of the circle, goes through the center and ends on the other side.

Circumference is the distance around the edge of the circle. Circles that have their centers at the same point. Three-Dimensional shapes can be made up of flat of curved or flat surfaces Each flat surface is called a FACE.

EDGE is a line segment that is the intersection of two faces.

VERTEX is the point that is the intersection of three or more faces. A solid (3-dimensional) object which has six faces that are rectangles.
The two bases are parallel and congruent. It has the same cross-section along a length, which makes it a prism. A net is a two dimensional figure that can be folded to make a three dimensional object. Lateral surface area (LA) is the sum of the side faces. Total SA = LA + Areas of 2 Bases

A right prism has a set of flat surfaces called the FACES.

Total Surface Area (SA) is the sum of all faces.

The two bases (top and bottom faces) are parallel and congruent. Volume is the number of cubic units to exactly fill a prism. 