# Afterschool math flash cards

## 30 terms

### percent

a ratio that compares a number to 100

### alternate exterior angle

two exterior angles on opposite sides of the transversal that have the same measure

### corresponding angle

lie on the same side of the transversal and in coresponding positions, angles that have the same position on to different parallel lines cut by the transversal

### alternate interior angle

angles forms when a transversal cuts a set of parallel lines they are on opposite sides of the transversal and are congruent

### acute

having or experiencing a rapid onset and short but severe course, less than 90

### sss congruence

If three sides of one triangle are congruent to 3 sides of another triangle, then the triangles are congruent.

### sas congruence

If two sides and the included angle of one triangle are congruent to two sides and the included angle of a second triangle, then the two triangles are congruent

### asa congruence

two triangles are congruent if two angles and the included side of one triangles are congruent, respectively, to two angles and the included side of the other

### obtuse

slow to learn or understand

### right

a turn to the right, 90 degree angle

### Ratio

a comparison of two numbers by division

### vertical angles

two angles whose sides form two pairs of opposite rays

a four-sided polygon

### supplementary Angles

Two angles whose sum is 180 degrees

### Square

Four sided side figure

### rectangle

a parallelogram with four right angles

### opposites

two numbers that are the same distance from zero on a number line, but are in opposite directions. (-2 and 2)

### perpendicular lines

Two lines that intersect to form right angles

### transversal

a line that intersects two or more lines

### similar triangle

have angles of equal measures

### Parallel lines

lines in a plane that never intersect

### Trapezoid

A quadrilateral with exactly one pair of parallel sides.

### Fraction

the quotient of two rational numbers, part of a whole

### Numerator

The Number on the bottom

### Denominator

the bottom number in a fraction

### Product

a quantity obtained by multiplication

### Quotient

the ratio of two quantities to be divided

### Dividend

a number to be divided by another number

### Divisor

a number by which another number is divided

### Reciprical

flip side of a fraction a/b=b/a