# Mr. Belcher Math vocab 2 Columbus Academy

## 15 terms

### constant term

A term that has a number but no variable

### coordinate plane

A coordinate system formed by the intersection of a horizontal number line called the x-axis and the vertical number line called the y-axis

### Dividend

A number that is divided by another number

### acute angle

an angle whos measure is less then ninety degrees

part of a circle

### trapezoid

a quadrilateral with exactly one pair of parallel sides

### legs of a right triangle

the two sides of a right triangle that form the right angle

### obtuse angle

an angle whose measure is between ninety degrees and 180 degrees

### origin

the point (0,0) where the x and y axis meet in a coordinate plane

### outcomes

the possible results when an experiment is performed

### perfect square

A number that is the square of an integer

### perpendicular lines

two lines that intersect to form four right angles

### proportion

an equation stating that two ratios are equivelant

### ray

a part of a line that begins at a point and extends in one direction without end

### vertex of an angle

the common endpoint of the two rays that form the angle