#### Study sets matching "vocab geometry flashcards"

#### Study sets matching "vocab geometry flashcards"

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

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…

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 tw…

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 tw…

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

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…

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…

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

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.

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…

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…

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…

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.

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…

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…

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…

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

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…

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…

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…

Midsegment

Midpoint

Perpendicular Bisector

Equidistant

Connects the midpoints of two sides in a triangle. It is para…

A point that divides a segment into two congruent places (in…

A line that is perpendicular to a segment at its midpoint (cu…

The same distance

Midsegment

Connects the midpoints of two sides in a triangle. It is para…

Midpoint

A point that divides a segment into two congruent places (in…