# Study sets matching "vocab geometry 9"

Study sets

Diagrams

Classes

Users

bases

bisect

circle

concentric circles

the congruent parallel polygons that form the "top" and "botto…

to divide into two congruent parts

the set of all points on a flat surface that are the same dist…

circles that have the same center

bases

the congruent parallel polygons that form the "top" and "botto…

bisect

to divide into two congruent parts

Circle

Radius

Chord

Secant

the locus of points in a plane that are equidistant from a giv…

the specific distance that determines the size of the circle.…

a segment whose endpoints are on a circle

a line that contains a chord

Circle

the locus of points in a plane that are equidistant from a giv…

Radius

the specific distance that determines the size of the circle.…

A transformation in which a second tran…

A transformation in which an original f…

Two figures where there is a sequence o…

A transformation in a plane that has a…

Composition of Transformations

Congruence Transformations (Isometry)

Congruent

Dilation

A transformation in which a second tran…

Composition of Transformations

A transformation in which an original f…

Congruence Transformations (Isometry)

transformation

reflection

line of reflection

isometry

In a pane, a mapping for which each point has exactly one imag…

A transformation representing a flip of the figure over a poin…

A line through a figure that separates the figure into two mir…

A mapping for which the original figure and its image are cong…

transformation

In a pane, a mapping for which each point has exactly one imag…

reflection

A transformation representing a flip of the figure over a poin…

Transformation

Types of Transformation

Pre-Image

Image

Function of mapping that results in change in position, shape,…

Translation ... Reflection ... Rotation ... Dilation

Original image

Figure resulting from transformation of pre-image

Transformation

Function of mapping that results in change in position, shape,…

Types of Transformation

Translation ... Reflection ... Rotation ... Dilation

Alternate Exterior Angles

Alternate Interior Angles

Corresponding Angles

Parallel Lines

nonadjacent exterior angles that lie on opposite sides of a tr…

nonadjacent interior angles that lie on opposite sides of the…

angles that lie on the same side of the transversal and in cor…

coplanar lines that do not intersect

Alternate Exterior Angles

nonadjacent exterior angles that lie on opposite sides of a tr…

Alternate Interior Angles

nonadjacent interior angles that lie on opposite sides of the…

Circle

Radius

Chord

Secant

the locus of points in a plane that are equidistant from a giv…

the specific distance that determines the size of the circle.…

a segment whose endpoints are on a circle

a line that contains a chord

Circle

the locus of points in a plane that are equidistant from a giv…

Radius

the specific distance that determines the size of the circle.…

circle

radius

chord

secant

the locus of points in a plane that are equidistant from a giv…

the specific distance that determines the size of the circle a…

a segment whose endpoints are on a circle

a line that contains a chord

circle

the locus of points in a plane that are equidistant from a giv…

radius

the specific distance that determines the size of the circle a…

A transformation in which a second tran…

A transformation in which an original f…

Two figures where there is a sequence o…

A transformation in a plane that has a…

Composition of Transformations

Congruence Transformations (Isometry)

Congruent

Dilation

A transformation in which a second tran…

Composition of Transformations

A transformation in which an original f…

Congruence Transformations (Isometry)

angle of depression

angle of elevation

cosine

identity

the angle formed between the horizontal and the line of sight…

the angle formed between the horizontal and the line of sight…

the ratio of the adjacent side to the hypotenuse in a right tr…

an equation that is true for any value of variable Ex. cos x =…

angle of depression

the angle formed between the horizontal and the line of sight…

angle of elevation

the angle formed between the horizontal and the line of sight…

Angle of rotation

Line of reflection

Line of symmetry

Rotational symmetry

the angle through which a preimage is rotated to form the imag…

A line that a figure is flipped across to create a mirror imag…

a line that divides a figure into two halves that are mirror i…

A figure can be rotated less than 360 degrees around a central…

Angle of rotation

the angle through which a preimage is rotated to form the imag…

Line of reflection

A line that a figure is flipped across to create a mirror imag…

Rotation

Center of Rotation

Angle of Rotation

Dilation

A transformation that spins a figure around a fixed point

the fixed point about which a figure is spinned

formed by a pre-image point, the center of rotation, and the c…

a transformation that changes the size of a figure

Rotation

A transformation that spins a figure around a fixed point

Center of Rotation

the fixed point about which a figure is spinned

Circle

Radius

Chord

Secant

the locus of points in a plane that are equidistant from a giv…

the specific distance that determines the size of the circle.…

a segment whose endpoints are on a circle

a line that contains a chord

Circle

the locus of points in a plane that are equidistant from a giv…

Radius

the specific distance that determines the size of the circle.…

point line plane postulate

Unique line assumption

number line assumption

dimension assumption

1. through any two points there is exactly one line. 2. a line…

through any two points, there is exactly one line.

every line is a set of points that can be put into a one-to-on…

1) given a line in a plane, there is at least one point in the…

point line plane postulate

1. through any two points there is exactly one line. 2. a line…

Unique line assumption

through any two points, there is exactly one line.

Circle

Radius

Chord

Secant

the locus of points in a plane that are equidistant from a giv…

the specific distance that determines the size of the circle.…

a segment whose endpoints are on a circle

a line that contains a chord

Circle

the locus of points in a plane that are equidistant from a giv…

Radius

the specific distance that determines the size of the circle.…

angle of depression

angle of elevation

cosine

geometric mean

The angle that a downward line of sight makes with a horizonta…

The angle that an upward line of sight makes with a horizontal…

The trigonometric ratio for acute angles that involves the len…

angle of depression

The angle that a downward line of sight makes with a horizonta…

angle of elevation

The angle that an upward line of sight makes with a horizontal…

Circle

Radius

Chord

Secant

the locus of points in a plane that are equidistant from a giv…

the specific distance that determines the size of the circle.…

a segment whose endpoints are on a circle

a line that contains a chord

Circle

the locus of points in a plane that are equidistant from a giv…

Radius

the specific distance that determines the size of the circle.…

Quadrilateral

Parallelogram

Kite

Trapezoid

A polygon with four sides

Both pairs of opposite sides are parallel and congruent. Diago…

Both pairs of consecutive sides are congruent, but opposite si…

Exactly one pair of opposite sides are parallel. Exactly two p…

Quadrilateral

A polygon with four sides

Parallelogram

Both pairs of opposite sides are parallel and congruent. Diago…

Transformation

Rigid or Congruence Transformation

Examples of Rigid Transformation (Isome…

Non-Rigid or Similarity Transformation

changes the position, shape, or size of a figure

a transformation where the image maintains the same shape and…

reflection, translation, and rotation

a transformation where the image maintains its shape but not s…

Transformation

changes the position, shape, or size of a figure

Rigid or Congruence Transformation

a transformation where the image maintains the same shape and…

Inductive reasoning

Conjecture

Counter example

Isometric drawing

Based on patterns you observe

A conclusion you reach using inductive reasoning

An example that shows a conjecture is false

3 sides of a figure from a corner view

Inductive reasoning

Based on patterns you observe

Conjecture

A conclusion you reach using inductive reasoning

Parallel Lines

Perpendicular Lines

Vertical Angles

Adjacent Angles

Two lines that are always the same distance apart and never to…

Lines that intersect with each other to create right angles (9…

Two lines that intersect to create four angles where two angel…

Two angles that have a common side and a common vertex and don…

Parallel Lines

Two lines that are always the same distance apart and never to…

Perpendicular Lines

Lines that intersect with each other to create right angles (9…

Inscribed Angle

Central Angle

Tangent

Chord

An angle formed by two chords in a circle which have a common…

An angle formed by two radii whose vertex is at the centre of…

A line that intersects the circle at one point.

A line segment that joins two points on the circumference of a…

Inscribed Angle

An angle formed by two chords in a circle which have a common…

Central Angle

An angle formed by two radii whose vertex is at the centre of…

Rectangle

Diagnols of a Rectangle

Converse of Diagnols of a Rectangle

Rhombus

A parallelogram with four right angles

If a parallelogram is a rectangle, then its diagonals are cong…

If the diagonals of a parallelogram are congruent, then the pa…

A parallelogram with 4 congruent sides

Rectangle

A parallelogram with four right angles

Diagnols of a Rectangle

If a parallelogram is a rectangle, then its diagonals are cong…