| A | B |
|---|
| Acute Angle | An angle whose measure is greater than zero but less than 90 degrees |
| bisect | to divide into two congruent parts |
| congruent | having the same size and shape |
| diameter | A chord that passes through the center of a circle |
| obtuse angle | An angle whose measure is greater that 90 degrees but less than 180 degrees |
| ratio | A comparison of two numbers |
| x-axis | The horizontal axis on a coordinate plane |
| y-axis | The vertical axis on a coordinate plane |
| variable | A letter used to represent one or more numbers in an expression, equation or inequality |
| scalene triangle | A triangle with no congruent sides |
| Isosceles triangle | A triangle with two congruent sides |
| circumference | The distance around a circle |
| least common denominator | The smallest common multiple of two or more denominators |
| quadrant | One of the four regions of the coordinate plane |
| radius | A line segment with one endpoint at the center of the circle and the other endpoint on the circle |
| angle | A geometric figure formed by two rays that have a common endpoint |
| equilateral triangle | A triangle with three congruent sides and three congruent angles |
| irrational number | A number that cannot be expressed as a repeating or terminating deciamal |
| rational number | Any number that can be expressed as a ratio, a/b, where a and b are integers and b does not equal zero |
| Pi | The ratio of the circumference of a circle to the length of its diameter |
