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Study sets matching "vocab geometry flashcards"

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Study sets matching "vocab geometry flashcards"

37 terms
Geometry Ch., 1-5
acute
obtuse
point
segment
angle less than 90 degrees
angle greater than 90 degrees
no size
has endpoints
acute
angle less than 90 degrees
obtuse
angle greater than 90 degrees
120 terms
Geometry vocabulary
Half Line BA
Half Line TS
Half Line GF
Ray DE
Half Line BA
Half Line TS
15 terms
Geometry Vocabulary
Alternate Interior Angles
Consecutive Interior Angles
Alternate Exterior Angles
Corresponding Angles
Located on the interior of the lines, on opposite sides of th…
Located on the interior of the lines, on the same side of the…
Located on the exterior of the lines, on opposite sides of th…
Located on the interior and exterior of the lines, on the sam…
Alternate Interior Angles
Located on the interior of the lines, on opposite sides of th…
Consecutive Interior Angles
Located on the interior of the lines, on the same side of the…
19 terms
Chapter 8 Geometry Vocabulary
radius (regular polygon)
polygon
remote interior angles
linear scale factor
a line segment that connects the center of a regular polygon…
a two-dimensional closed figure of three or more line segment…
when a triangle has an exterior angles, these angles are the…
the ratio of similarity. the ratio of any pair of correspondi…
radius (regular polygon)
a line segment that connects the center of a regular polygon…
polygon
a two-dimensional closed figure of three or more line segment…
29 terms
Geometry Vocabulary
Obtuse
Acute
Right Angle
Point
An angle that measures more than 90 degrees.
An angle that measures less than 90 degrees.
An angle that measures 90 degrees.
A place in space that is often marked by a letter or number.
Obtuse
An angle that measures more than 90 degrees.
Acute
An angle that measures less than 90 degrees.
40 terms
Geometry Flashcards
Segment Addition Postulate
Definition of Midpoint
Angle Addition Postulate
Definition of Angle Bisector
Segment Addition Postulate
Definition of Midpoint
35 terms
Geometry Vocabulary
Vertical Angles
Angle Addition Postulate
Linear Pairs
Consecutive Adjacent Angles
vertical angles are equal in measure
If C is a point in the interior of ∠AOB, then m∠AOC + m∠COB =…
Two angles that form a linear pair are supplementary (=180⁰)
Consecutive adjacent angles on a line sum to 180⁰
Vertical Angles
vertical angles are equal in measure
Angle Addition Postulate
If C is a point in the interior of ∠AOB, then m∠AOC + m∠COB =…
47 terms
Geometry Vocabulary
Vertical angles
Linear Pair
Alternate Exterior Angles
Equilateral Triangle
Vertical angles
Linear Pair
50 terms
Geometry Vocabulary
Line
Collinear points
Coplanar
Segment
A straight, unbroken set of points that goes on forever. It h…
A set of points that lie on the same line
Points, lines, or segments that lie on the same plane
A part of a line with two endpoints.
Line
A straight, unbroken set of points that goes on forever. It h…
Collinear points
A set of points that lie on the same line
79 terms
Geometry Vocabulary
Line
Collinear points
Coplanar
Segment
A straight, unbroken set of points that goes on forever. It h…
A set of points that lie on the same line
Points, lines, or segments that lie on the same plane
A part of a line with two endpoints.
Line
A straight, unbroken set of points that goes on forever. It h…
Collinear points
A set of points that lie on the same line
21 terms
Geometry vocabulary
acute angle
right angle
obtuse angle
complementary angles
the angle is less than 90 degrees
a 90 degree angle
an angle greater than 90 degrees
two angles that when added together add up to 90 degrees.
acute angle
the angle is less than 90 degrees
right angle
a 90 degree angle
28 terms
Geometry Vocabulary
point
line
ray
line segment
a fixed location in space
a figure made up of points that extend forever in both direct…
a figure that has one endpoint and extends forever in the oth…
a piece of a line marked by two endpoints
point
a fixed location in space
line
a figure made up of points that extend forever in both direct…
20 terms
Geometry Flashcard Vocabulary Words:
Point
Plane
Line Segment
Ray
An exact location.
A flat surface that extends without end in all directions.
A portion of a line with two endpoints.
A portion of a line that extends in one direction.
Point
An exact location.
Plane
A flat surface that extends without end in all directions.
Chapter 3 Geometry Vocabulary
angle-angle similarity
angle
congruent
corresponding sides
if two angles of one triangle are congruent to two correspond…
in geometric figures, usually formed by two segments with a c…
exactly the same shape and size
sides in two or more figures that are images of each other wi…
angle-angle similarity
if two angles of one triangle are congruent to two correspond…
angle
in geometric figures, usually formed by two segments with a c…
23 terms
Geometry Vocabulary
parallel lines
perpendicular lines
intersecting lines
vertex
a pair of lines that are the same distance apart and will nev…
a "special" pair of intersecting lines that cross at a 90 deg…
a pair of lines that cross or will eventually cross
point where two rays meet to create an angle
parallel lines
a pair of lines that are the same distance apart and will nev…
perpendicular lines
a "special" pair of intersecting lines that cross at a 90 deg…
14 terms
Geometry: Chapter 3 vocabulary
similarity
dilation
point of dilation / stretch point
scale factor / zoom factor
-same shape, but not necessarily the same size... -angles are co…
-a transformation where a point on a figure is stretched prop…
-the point of a figure that is stretched to form a dilation o…
-the number a side is multiplied by to make a bigger or small…
similarity
-same shape, but not necessarily the same size... -angles are co…
dilation
-a transformation where a point on a figure is stretched prop…
Chapter 8 Geometry Vocabulary
radius (regular polygon)
polygon
remote interior angles
linear scale factor
a line segment that connects the center of a regular polygon…
a two-dimensional closed figure of three or more line segment…
when a triangle has an exterior angles, these angles are the…
the ratio of similarity. the ratio of any pair of correspondi…
radius (regular polygon)
a line segment that connects the center of a regular polygon…
polygon
a two-dimensional closed figure of three or more line segment…
Chapter 10 Geometry Vocabulary
arc length
arc measure
center
central angle
the length of an arc
the measure in degrees of an arc's central angle
a fixed point from which all points on the circle are equidis…
an angle with its vertex at the center of a circle or polygon
arc length
the length of an arc
arc measure
the measure in degrees of an arc's central angle
28 terms
Geometry Vocabulary
Congruent Segments
Collinear Points
Coplanar Points
Midpoint
Segments that have the same measure
Points on the same line
Points on the same plane
A point that divides a segment into two congruent segments
Congruent Segments
Segments that have the same measure
Collinear Points
Points on the same line
Chapter 5 Geometry Vocabulary
legs
slope angle
law of sines
inverse tangent
the two sides of a right triangle that form the right angle.…
the acute angle a line forms with the x-axis on a coordinate…
used to find measurements in non-right triangles using the si…
the "undo" of the tangent function
legs
the two sides of a right triangle that form the right angle.…
slope angle
the acute angle a line forms with the x-axis on a coordinate…
17 terms
Geometry Unit 3 Vocabulary
Parallel Lines
Skew Lines
Corresponding Angles
Alternate Interior Angles
Lines that do not intersect and that lie in the same plane.
Lines that do not intersect and that do not line in the same…
Parallel Lines
Lines that do not intersect and that lie in the same plane.
Skew Lines
Lines that do not intersect and that do not line in the same…
45 terms
Geometry Vocabulary
undefined terms
point
line
plane
A word, ususally readily understood, that is not formually ex…
Points have no size. In a figure a point is represent by a do…
Lines extend indefinitely and have no tickness or width. In a…
Planes can be thought of as flat surfaces that extend indefin…
undefined terms
A word, ususally readily understood, that is not formually ex…
point
Points have no size. In a figure a point is represent by a do…
38 terms
Geometry Chapter 6 Vocabulary
Quadrilateral
Triangle
Pentagon
Hexagon
A four sided polygon
a three sided polygon
a five sided polygon
a six sided polygon
Quadrilateral
A four sided polygon
Triangle
a three sided polygon
13 terms
Geometry Chapter 5- Vocabulary
Midsegment
Coordinate Proof
Perpendicular Bisector
Equidistant
A segment that connects the midpoints of two sides of a trian…
A proof involving placing geometric figures in a coordinate p…
A line that is perpendicular to a segment at its midpoint.
Equal distance
Midsegment
A segment that connects the midpoints of two sides of a trian…
Coordinate Proof
A proof involving placing geometric figures in a coordinate p…
24 terms
Geometry Unit 1 Vocabulary
Point
Line
Coplanar
Collinear
The intersection of a line and a plane
The intersection of two planes
Points that lie in the same plane
Points that lie in a line
Point
The intersection of a line and a plane
Line
The intersection of two planes
Chapter 4 Geometry Vocabulary
alpha
angle
arithmetic sequence
clinometer
a Greek letter often used to represent angle measure. Others…
formed by two rays joined at a common endpoint
an ordered sequence of mathematical terms in which a constant…
a device used to measure angles of elevation and depression
alpha
a Greek letter often used to represent angle measure. Others…
angle
formed by two rays joined at a common endpoint
Chapter 9 Geometry Vocabulary
bases
bisect
circle
concentric circles
the congruent parallel polygons that form the "top" and "bott…
to divide into two congruent parts
the set of all points on a flat surface that are the same dis…
circles that have the same center
bases
the congruent parallel polygons that form the "top" and "bott…
bisect
to divide into two congruent parts
77 terms
Geometry Honors Vocabulary Flashcards
Point
Line
Plane
Colinear
A location that has no size.
Straight path in two opposite directions without end. No thic…
A flat surface that extends without end. No thickness and inf…
Points on the same line.
Point
A location that has no size.
Line
Straight path in two opposite directions without end. No thic…
19 terms
Geometry Vocabulary
pentagon
quadrilateral
hexagon
heptagon
a 5 sided polygon
a 4 sided ploygon
a 6 sided polygon
a 7 sided polygon
pentagon
a 5 sided polygon
quadrilateral
a 4 sided ploygon
19 terms
Geometry Chapter 2 Vocabulary
alternate interior angles
conjecture
line
proof by contradiction
inside the parallel lines, opposite sides of the transversal
An educated guess
A straight, unbroken set of points that goes on forever. It h…
a form of proof that establishes the truth or validity of a p…
alternate interior angles
inside the parallel lines, opposite sides of the transversal
conjecture
An educated guess
17 terms
Geometry Chapter 6 Vocabulary
Regular Polygon
Parallelogram
Rectangle
Rhombus
a polygon with all sides and all angles equal
a quadrilateral with both pairs of opposite sides parallel
A parallelogram with four right angles
A parallelogram with four equal sides
Regular Polygon
a polygon with all sides and all angles equal
Parallelogram
a quadrilateral with both pairs of opposite sides parallel
26 terms
Geometry Unit 1 Vocabulary
point
line
plane
collinear
a location
it is made up of points; it has no thickness or width and goe…
it is a flat surface made up of points that extends infinitel…
points that are on the same line
point
a location
line
it is made up of points; it has no thickness or width and goe…
27 terms
Geometry: Chapter 2 Vocabulary
counterexample
postulate
adjacent angles
complementary angles
an example that proves a statement false
an accepted statement of fact
are a pair of angles with a common vertex and a common side,…
Two angles whose sum is 90 degrees
counterexample
an example that proves a statement false
postulate
an accepted statement of fact
27 terms
Geometry Chapter 5 Vocabulary
Scalene Triangle
Isosceles Triangle
Equilateral Triangle
Acute Triangle
A Triangle that has at least 2 congruent sides.
A Triangle with 3 acute angles, all angles are less than 90 d…
Scalene Triangle
Isosceles Triangle
A Triangle that has at least 2 congruent sides.
Chapter 1 Geometry Vocabulary
acute angle
angle
area
conjecture
an angle with measure greater than 0 degrees but less than 90…
formed by two rays at a common endpoint; in geometric figures…
on a flat surface, the number of non-overlapping square units…
an educated guess. often results from noticing a pattern duri…
acute angle
an angle with measure greater than 0 degrees but less than 90…
angle
formed by two rays at a common endpoint; in geometric figures…
17 terms
Module 1 Geometry Vocabulary
complementary angles
supplementary angles
vertical angles
linear pair of angles
two angles that add up to 90 degrees
two angles that add up to 180 degrees
angles that are opposite from each other on intersecting line…
supplementary and adjacent
complementary angles
two angles that add up to 90 degrees
supplementary angles
two angles that add up to 180 degrees
11 terms
Geometry Vocabulary Chapter 1
point
line
line segment
ray
a location in space
straight pat of points that continues infinitely in both dire…
A part of a line with two endpoints
A part of a line that starts at one endpoint and extends fore…
point
a location in space
line
straight pat of points that continues infinitely in both dire…
44 terms
Geometry - Chapter 1 Vocabulary
acute angle
adjacent angles
angle
angle bisector
An angle that measures greater than 0 and less than 90 degrees.
Two angles in the same plane with a common vertex and a commo…
A figure formed by two rays with a common endpoint.
A ray that divides an angle into two congruent angles.
acute angle
An angle that measures greater than 0 and less than 90 degrees.
adjacent angles
Two angles in the same plane with a common vertex and a commo…
26 terms
Geometry - Lesson 1 Vocabulary
Point
Line
Plane
Coplanar Points
a specific location. It has no dimension and is represented b…
a connected straight path. It has no thickness and it continu…
a flat surface. It has no thickness and it extends forever in…
points that lie on the same plane
Point
a specific location. It has no dimension and is represented b…
Line
a connected straight path. It has no thickness and it continu…
45 terms
Geometry Chapter 2 Vocabulary
Inductive Reasoning
Conjecture
Counter Example
Conditional Statement
The process of reasoning that a rule or statement is true bec…
A statement that is believed to be true
An example that proves a conjecture or statement false
A statement that can be written in the form "if p then q" whe…
Inductive Reasoning
The process of reasoning that a rule or statement is true bec…
Conjecture
A statement that is believed to be true
Geometry Vocabulary
complementary angles
supplementary angles
congruent
linear pair
Two angles whose sum is 90 degrees
Two angles whose sum is 180 degrees
Having the same size and shape
Two adjacent angles formed by the intersection of two lines.…
complementary angles
Two angles whose sum is 90 degrees
supplementary angles
Two angles whose sum is 180 degrees
21 terms
Geometry Vocabulary Unit 1
Perpendicular
Parallel
Right angle
Obtuse angle
Two lines that intersect to form right angles
Two lines that never intersect
measures 90 degrees
measures more than 90 but less than 180
Perpendicular
Two lines that intersect to form right angles
Parallel
Two lines that never intersect
42 terms
Geometry Flashcards
width
line
acute angle
angle
one dimension of a two or three dimensional figure
a set of connected points continuing without end in both dire…
an angle with a measure less than 90 degrees
two rays that share an endpoint
width
one dimension of a two or three dimensional figure
line
a set of connected points continuing without end in both dire…
26 terms
Geometry Flashcards
Point
Line
Plane
Ray
The most basic building block of geometry. It has no size; on…
A straight, continuous arrangement of infinitely many points.…
Length and width, but no thickness. A flat surface that exten…
A portion of a line that starts at a point (endpoint) and con…
Point
The most basic building block of geometry. It has no size; on…
Line
A straight, continuous arrangement of infinitely many points.…
9 terms
Geometry Flashcards Ch 1
Segment Addition Postulate
Definition of Congruent Segements
Definition of a Midpoint of a Segement
Definition of a Bisector of a Segment
Segment Addition Postulate
Definition of Congruent Segements
41 terms
Geometry Flashcards
Midpoint
Colinear
Straight Angle
Acute Angle
It is a midpoint iff it divides a segment into two congruent…
3 or more points on the same line
Sides of a straight angle form a line
Less then a right angle
Midpoint
It is a midpoint iff it divides a segment into two congruent…
Colinear
3 or more points on the same line
Geometry Chapter 1 Vocabulary
between
congruent segments
construction
undefined term
in the middle, but not necessarily half way
Segments that have the same length (same size and shape)
to use tools to draw an object that is more precise
a word without a formal definition: point, line, and plane
between
in the middle, but not necessarily half way
congruent segments
Segments that have the same length (same size and shape)
Geometry Chapter 3 Vocabulary
Vertical Angles
Linear Pair
Supplementary Angles
Angle
Two nonadjacent angles who share a common initial point and t…
Two adjacent angles that together form a line.
Two angles whose sum is 180 degrees.
Formed when two rays share an initial point.
Vertical Angles
Two nonadjacent angles who share a common initial point and t…
Linear Pair
Two adjacent angles that together form a line.
12 terms
Geometry Vocabulary Flashcards
Volume
Hypotenuse
Polygon
Area
Capacity to hold, measured in cubic units.
In a right triangle, the side opposite the 90 degree angle.
A many-sided plane closed figure.
The space within a shape, measured in square units.
Volume
Capacity to hold, measured in cubic units.
Hypotenuse
In a right triangle, the side opposite the 90 degree angle.
28 terms
Geometry vocabulary
Lines
Planes
Ray
Coplanar
a series of points that extends in two opposite directions wi…
a flat surface with no thickness
is the part of a line consisting of one endpoint and all the…
points and lines in the same planes
Lines
a series of points that extends in two opposite directions wi…
Planes
a flat surface with no thickness
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