65 terms

This includes ALL 65 math vocab words- percents and geometry!!

acute angle

An angle that measures less than 90 degrees and greater than 0 degrees.

acute triangle

A triangle with 3 acute angles.

adjacent angles

Angles that share a vertex,a ray, and they don't have any points in their interiors.

angle

A figure that is formed by two rays that share a common endpoint

arc

Part of a circle.

area

The number of square units a figure encloses.

base of a parallelogram

The parallel, congruent sides that are intersected by the height. (parallelogram)

base of a triangle

The side intersected by the height. (triangle)

base of a trapezoid

One of the parallel sides of a trapezoid.

center

The point in the middle of a circle.

central angle

An angle whose vertex is the center of a circle.

chord

Any segment that has two endpoints on the edge of a circle.

circle

The set of all points that are the same distance from a given point.

circle graph

A graph of data where a circle represents the whole.

complementary angles

Angles whose sums are 90 degrees.

congruent angles

Angles with the same measure.

congruent sides

Sides with the same measure.

decagon

A polygon with 10 sides.

diameter

A chord that passes through the center of a circle.

equilateral triangle

A triangle with 3 congruent sides.

height of a parallelogram

The length of a perpendicular segment connecting one base to another.( parallelogram)

height of a trapezoid

The length of a perpendicular segment connecting the bases. (trapezoid)

height of a triangle

The length of a perpendicular segment that connects one vertex to one side.(triangle)

heptagon

A polygon with 7 sides.

hexagon

A polygon with 6 sides.

intersecting lines

Two lines with exactly one point in common; think intersections!

irregular polygon

A polygon with NO sides or angles congruent.

isosceles triangle

A triangle with 2 congruent sides.

line

A series of points that continues without end.

nonagon

A 9 sided polygon.

obtuse angle

An angle that measures more than 90 degrees, but less than 180 degrees.

octagon

An 8 sided polygon.

parallel lines

Lines that do not share any points or intersect.( on the same plane)

parallelogram

A quadrilateral with both pairs of opposite sides **parallel** and congruent.

pentagon

A polygon with 5 sides.

perimeter

The distance around a figure.

plane

A flat surface with no thickness.

point

A specific location in space.

quadrilateral

A polygon with 4 sides.

radius

A segment drawn from the center to any point on the circle.

ray

A part of a line that has an endpoint on only one side; the other continues without end.

rectangle

A parallelogram with 4 right angles.

regular polygon

A polygon with all sides and angles congruent.

rhombus

A parallelogram with all sides congruent. (not all angles are)

obtuse triangle

A triangle with an angle that measures more than 90 degrees but less than 180 degrees.

right angle

An angle that measures exactly 90 degrees.

right triangle

A triangle with one right angle.

scalene triangle

A triangle with NO sides congruent.

segment

A part of a line with two endpoints.

semicircle

Half of a circle.

skew lines

Two lines that have no points in common and are on separate planes.

square

A parallelogram with four right angles and all sides congruent.

straight angle

An angle that measures exactly 180 degrees.

supplementary angle

An angle that is made of two smaller angles; the sum is 180 degrees.

trapezoid

A quadrilateral with exactly one pair of parallel sides.

triangle

A three sided polygon.

vertex

The common endpoint shared by two rays in an angle.

vertical angle

Angles that are created by two intersecting lines and they share a vertex.

percent

A specific ratio with a denominator of 100.

tax

An additional fee added to the cost of an item, determined by the state or local government.

tip

A percent of a bill that you give to someone who provides service.

commission

An amount earned by a salesperson, calculated as a percent of a sales price.

percent of change

The percent a quantity increases or decreases from the original amount.

percent of markup

The percent that a price is increased.

percent of discount

The percent that a price is reduced.