| A | B |
|---|
| acute angle | an angle with a measure less than 90 degrees and greater than 0 degrees |
| acute triangle | a triangle with three angles |
| algebraic expression | an expression with variables |
| angle | a figure formed by two rays with the same endpoint |
| area | the measure, in square units, of the inside region of a closed two-dimensional figure |
| axis | the horizontal and vertical number lines used in a coordinate plane system |
| bar graph | a graph that uses either vertical or horizontal bars to display countable or discrete data |
| center | the point from which all points in a circle are equally distant |
| central angle | an angle whose vertex is the center of the circle |
| chord | a line segment that connects two points on a circle |
| circle | enclosed plane figure made up of all the points the distance from the center |
| circle graph | a graph in the shape of a circle that shows what part of the whole each portion of the data represents |
| circumference | the distance around a circle |
| clockwise | rotation to the right, similar to the hands on a clock |
| compass | a tool used to measure and draw circles |
| cone | a solid figure with one circular base, the points on the circle are joined to one point outside the base |
| congruent | having exactly the same shape and size |
| coordinates | two numbers in an ordered pair, (3, 5) |
| counterclockwise | rotation to the left, opposite of the hands on a clock |
| cylinder | a solid figure with two circular bases that are congruent and parallel |
