# Study sets matching "vocab geometry 9"

ACUTE TRIANGLE... Draw and label an acute…

OBTUSE TRIANGLE... What types of angles ar…

RIGHT TRIANGLE... What term(s) describes t…

EQUIANGULAR TRIANGLE... Explain why each a…

One is obtuse and the other two are acute.

ACUTE and COMPLEMENTARY

The sum of the angles of a triangle is 180 degrees and 180 div…

ACUTE TRIANGLE... Draw and label an acute…

OBTUSE TRIANGLE... What types of angles ar…

One is obtuse and the other two are acute.

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

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

Line

Line Segment

Ray

Transversal

a set of points that moves forever in opposite directions ↔

a part of a line that has two end points. ... (Measureable)

a set of points with one end point

a line that intersects (touches) 2 or more lines

Line

a set of points that moves forever in opposite directions ↔

Line Segment

a part of a line that has two end points. ... (Measureable)

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

Angles at a point

Angles on a straight line

Right angle

The space (usually measured in degrees) between two intersecti…

Add to 360°

Add to 180°

An angle that is exactly 90°

Angle

The space (usually measured in degrees) between two intersecti…

Angles at a point

Add to 360°

Line of reflection

Translation vector

Center of rotation

Angle of rotation

Each point of the primage and its corresponding point on the i…

A translation is a function that maps each point to its image…

A rotation about a fixed point, through an angle of x degrees

The angle that the preimage was rotated to form the image

Line of reflection

Each point of the primage and its corresponding point on the i…

Translation vector

A translation is a function that maps each point to its image…

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.…

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…

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 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 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

Angles at a point

Angles on a straight line

Right angle

The space (usually measured in degrees) between two intersecti…

Add to 360°

Add to 180°

An angle that is exactly 90°

Angle

The space (usually measured in degrees) between two intersecti…

Angles at a point

Add to 360°

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…

circle

radius

chord

diameter

the set of all points in a plane that are equidistant from a g…

a segment whose endpoints are the center of a circle and any p…

a segment whose endpoints are on a circle

a chord that contains the center of the circle

circle

the set of all points in a plane that are equidistant from a g…

radius

a segment whose endpoints are the center of a circle and any p…

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…

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…

Cross products

Extremes

Means

Geometric mean

Every proportion has two of these

20/30=2/3 (20 and 3 are these)

20/30=2/3 (30 and 2 are these)

Between 2 positive numbers a & b is the positive number x in a…

Cross products

Every proportion has two of these

Extremes

20/30=2/3 (20 and 3 are these)

Ratio

Proportion

Cross Products

Geometric Mean

A comparison of two quantities

An equation that states that two ratios are equal

In a proportion, if a/b=c/d, then a

**d = b**aIn a proportion, If a/b = x/b, the geometric mean ... of a and b…

Ratio

A comparison of two quantities

Proportion

An equation that states that two ratios are equal

Solid

Polyhedron

Prism

Cylinder

A three dimensional shape

A solid that is formed by polygons

A polyhedron with two congruent faces that lie in parallel pla…

A solid with two congruent circular bases that lie in parallel…

Solid

A three dimensional shape

Polyhedron

A solid that is formed by polygons

circle

radius

chord

diameter

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 end points are on the circle

a chord that passes through the center

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

Diameter

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 lie on circle

A chord that passes through the center of a circle

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

Diameter

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 the circle

Any straight line segment that passes through the center of th…

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.…