# Study sets matching "vocab geometry 2"

Study sets

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Line of Symmetry and Line of Reflection

Magnitude of Rotation

Rotation

Magnitude

The line l is known as the ____________________.

A square has rotational symmetry of order 4. This means that t…

The transformation that occurs when lines m and n are intersec…

Translations can be accomplished by using a vector. Vectors ar…

Line of Symmetry and Line of Reflection

The line l is known as the ____________________.

Magnitude of Rotation

A square has rotational symmetry of order 4. This means that t…

Geometry

Point

Line

Plane

The study of earth measure.

Has location, but no size.

A straight, continuous arrangement of infinitely many points.…

Has length and width but no thickness. It is a flat surface th…

Geometry

The study of earth measure.

Point

Has location, but no size.

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Vertex

Interior Angle Sum (IAS)

Exterior Angle Sum (EAS)

Polygons

The point at the intersection of two line segments.

The sum of the interior angles of an n-sided polygon is (n-2)*…

The sum of the exterior angles of a polygon as they are extend…

A plane figure with at least three straight sides.

Vertex

The point at the intersection of two line segments.

Interior Angle Sum (IAS)

The sum of the interior angles of an n-sided polygon is (n-2)*…

equilateral triangle

isosceles triangle

scalene triangle

equiangular triangle

an equilateral triangle is a triangle in which all three sides…

an isosceles triangle is a triangle that has two sides of equa…

A triangle with all sides of different lengths. No sides are e…

An equiangular triangle is a triangle where all three interior…

equilateral triangle

an equilateral triangle is a triangle in which all three sides…

isosceles triangle

an isosceles triangle is a triangle that has two sides of equa…

Inductive Reasoning

Conjecture

Counterexample

Conditional Statement

It is used to draw a conclusion based on a pattern.

A statement that is believed to be true.

It is an example that proves a conjecture or statement is fals…

A statement written in if then form with a hypothesis and conc…

Inductive Reasoning

It is used to draw a conclusion based on a pattern.

Conjecture

A statement that is believed to be true.

Central Angle

Inscribed Angle

congruent

Arc measure

An angle that has a vertex at the center of the circle.

An angle whose vertex is on the circle and sides are chords.

If two chords are congruent then the central angle is ________…

The central angle determines the _____________________________…

Central Angle

An angle that has a vertex at the center of the circle.

Inscribed Angle

An angle whose vertex is on the circle and sides are chords.

algebraic proof

axiom

compound statement

conclusion

a method to prove statements using properties that justify eac…

any mathematical statement that serves as a starting point fro…

two statements put together and formed into a sentence... example…

The "q or then" in a conditional statement

algebraic proof

a method to prove statements using properties that justify eac…

axiom

any mathematical statement that serves as a starting point fro…

Side

Polygon:

Vertices (vertex)

Consecutive (or adjacent) vertices

a line segment that makes up part of a polygon

A number of coplanar line segments, each connected end to end…

The endpoints of the sides of a polygon.

the endpoints (2 of them) of a side.

Side

a line segment that makes up part of a polygon

Polygon:

A number of coplanar line segments, each connected end to end…

Angle

Vertex of an angle

Measure of an angle

Degrees

is formed by two rays that share a common endpoint provided th…

is a the common endpoint of the two rays of an angle.

is the smallest amount of rotation about the vertex between th…

is the unit of measurement for angles.

Angle

is formed by two rays that share a common endpoint provided th…

Vertex of an angle

is a the common endpoint of the two rays of an angle.

conjecture

counterexample

deductive reasoning

inductive reasoning

a statement you believe to be true based on inductive reasoning

a drawing, statement, or number that shows that a conjecture i…

the process of using logic to draw conclusions from given fact…

the process of reasoning that a rule or statement is true beca…

conjecture

a statement you believe to be true based on inductive reasoning

counterexample

a drawing, statement, or number that shows that a conjecture i…

Midpoint

Segment bisector

Straight angle

Obtuse angle

A point that divides a segment into two congruent segments

A point, line, ray, or segment that divides a segment into two…

Measures 180 degrees

Measures more than 90 degrees and less than 180 degrees

Midpoint

A point that divides a segment into two congruent segments

Segment bisector

A point, line, ray, or segment that divides a segment into two…

Perpendicular Lines

Conditional Statement

Converse

Bi-Condtional Statement

Lines that intersect to form right angles

A statement that can be written as an "if...then..." statement

A statement that is formed by switching the hypothesis and con…

When both a conditional statement and its converse are true -…

Perpendicular Lines

Lines that intersect to form right angles

Conditional Statement

A statement that can be written as an "if...then..." statement

auxiliary line

exterior angle

remote interior angles

flow proof

an extra line or segment drawn in a figure to help analyze geo…

an angle formed by one side of a triangle and the extension of…

the angles of a triangle that are not adjacent to a given exte…

uses statements written in boxes and arrows to show the logica…

auxiliary line

an extra line or segment drawn in a figure to help analyze geo…

exterior angle

an angle formed by one side of a triangle and the extension of…

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, b…

Two angles whose sum is 90 degrees

counterexample

an example that proves a statement false

postulate

an accepted statement of fact

Parallelogram

Square

Rectangle

Rhombus

- 2 pairs of parallel sides... - Opposites sides equal

- 2 pairs of parallel sides... - 4 equal sides ... - 4 right angles

- 2 pairs of parallel sides... - Opposites sides equal ... - 4 right…

- 2 pairs of parallel sides... - 4 equal sides

Parallelogram

- 2 pairs of parallel sides... - Opposites sides equal

Square

- 2 pairs of parallel sides... - 4 equal sides ... - 4 right angles

Tangent

Secant

Intersection of a tangent and a radius

Equation of a circle

intersects a circle in only 1 place.

intersects a circle in 2 places.

form right angles when they intersect.

x minus h squared plus y minus k squared equals radius squared.

Tangent

intersects a circle in only 1 place.

Secant

intersects a circle in 2 places.

square

rectangle

triangle

cone

A quadrilateral with 4 sides that are equal and has all 90 deg…

A quadrilateral with four right angles

A polygon with 3 sides and 3 angles.

A solid (3-dimensional) object with a circular flat base joine…

square

A quadrilateral with 4 sides that are equal and has all 90 deg…

rectangle

A quadrilateral with four right angles

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 ha…

a form of proof that establishes the truth or validity of a pr…

alternate interior angles

inside the parallel lines, opposite sides of the transversal

conjecture

An educated guess

Inductive Reasoning

Conjecture

Counterexample

Conditional Statement

It is used to draw a conclusion based on a pattern.

A statement that is believed to be true.

It is an example that proves a conjecture or statement is fals…

A statement written in if then form with a hypothesis and conc…

Inductive Reasoning

It is used to draw a conclusion based on a pattern.

Conjecture

A statement that is believed to be true.

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line

point

midpoint

midpoint

a straight one dimensional figure having no thickness and exte…

A zero dimensional object. ... Has no part.

The point on a line segment dividing it into 2 congruent parts.

the point on a line segment dividing it into two congruent par…

line

a straight one dimensional figure having no thickness and exte…

point

A zero dimensional object. ... Has no part.

Geometry

Point

Line

Plane

The study of earth measure.

Has location, but no size.

A straight, continuous arrangement of infinitely many points.…

Has length and width but no thickness. It is a flat surface th…

Geometry

The study of earth measure.

Point

Has location, but no size.

cubes

polygons

quadrilaterals

right prisms

a solid figure with six square sides.

a closed figure, all straight lines, and no intersecting lines

4 sided polygon

one whose lateral faces are rectangular regions and a lateral…

cubes

a solid figure with six square sides.

polygons

a closed figure, all straight lines, and no intersecting lines

angle

arc

collinear

noncollinear

intersection of 2 noncollinear rays at common endpoint (vertex)

part of circle defined by 2 endpoints

points that lie on same line

points not on the same line

angle

intersection of 2 noncollinear rays at common endpoint (vertex)

arc

part of circle defined by 2 endpoints