GEOMETRY

perimeter

The distance around a figure

cylinder

a figure whose bases are circular , congruent and parallel to each other. 2 faces o vertices 2 edges

triangular prism

a prism whose bases are triangles 5 faces 6 vertices 9 edges

cone

a shape whose base is a circle and whose sides meet at a point 1 face 1 vertices 2 edges

pyramid

a solid figure with a polygon base and triangular sides that meet at a single point 5 faces 5vertices 8 edges

cube

a three-dimensional shape with six square or rectangular sides 6 faces 8 vertices 12 edges

2 dimensional figures

flat figures you draw on paper

line segment

part of a line that has two endpoints

pentagons

pentagons with 5 sides and 5 angles

vertex

points where surfaces meet

triangle

polygon with 3 sides and 3 angles

hexagon

polygon with 6 sides and 6 angles

octagon

polygon with 8 sides and 8 angles

quadrilaterals

polygons with 4 sides

rectangles

quadrilaterals with 4 right angle and opposite sides are equal

square

quadrilaterals with 4 right angles and all sides are equal

polygon

shapes that are made out of line segments which are connected and closed and no curves

right angle

square corner formed by two lines that make an "L" or "T"

angle

two rays that have the same endpoint

acute angle

An angle less than 90 degrees

obtuse angle

An angle more than 90 degrees

congruent

Having the same size and shape