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Anna's Math Vocab- All 65!!
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Gravity
This includes ALL 65 math vocab words- percents and geometry!!
Terms in this set (65)
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.
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