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line

line segment

point

ray

A straight path that goes on forever in both directions. We p…

Part of a line. It has two ends, which are called endpoints.

represents a specific location on a plane

part of a line that starts at a point and is endless in the o…

line

A straight path that goes on forever in both directions. We p…

line segment

Part of a line. It has two ends, which are called endpoints.

Line

Line Segment

Ray

Parallel Lines

is a straight set of points that extend in opposite direction…

is a part of a line between two endpoints.

is a part of a line that has one endpoint and extends in one…

lines are always the same distance apart. They do not meet

Line

is a straight set of points that extend in opposite direction…

Line Segment

is a part of a line between two endpoints.

line

line segment

point

ray

A straight path that goes on forever in both directions. We p…

Part of a line. It has two ends, which are called endpoints.

represents a specific location on a plane

part of a line that starts at a point and is endless in the o…

line

A straight path that goes on forever in both directions. We p…

line segment

Part of a line. It has two ends, which are called endpoints.

Line AB

collinear points

plane

coplanar

2 or more points joined with no thickness or width that exten…

points that lie on the same plane

flat 2 dimensional surface that extends indefinitely in all d…

objects that lie on the same plane

Line AB

2 or more points joined with no thickness or width that exten…

collinear points

points that lie on the same plane

collinear points

coplanar

parallel lines

parallel planes

Points that lie on the same line.

points that lie on the same plane

coplanar lines that do not intersect

planes that do not intersect.

collinear points

Points that lie on the same line.

coplanar

points that lie on the same plane

Line

Line Segment

Collinear points

Noncollinear

Has zero endpoints. Extends forever.

Has two endpoints and a finite length.

Points that lie on the same straight line.

Points that do not lie on the same straight line.

Line

Has zero endpoints. Extends forever.

Line Segment

Has two endpoints and a finite length.

transversal

alternate angles

corresponding

Corresponding Angle Postulate

a line that crosses over two parallel lines

two angles that are on opposite sides of the transversal (int…

refer to the position in the group of four angles

corresponding angles are congruent

transversal

a line that crosses over two parallel lines

alternate angles

two angles that are on opposite sides of the transversal (int…

point

ray

plane

line segment

An undefined term that represents a location in space.

a part of a line that goes forever in one direction.

A flat 2D surface that stretches into infinity

A part of a line which is two endpoints on a line, and all th…

point

An undefined term that represents a location in space.

ray

a part of a line that goes forever in one direction.

Parallel Lines

Vertical angles

Supplementary angles

Transversal

Lines that never intersect.

angles formed when two lines intersect that across from one a…

angles whose sum is 180 degrees

a line that intersects 2 or more parallel lines

Parallel Lines

Lines that never intersect.

Vertical angles

angles formed when two lines intersect that across from one a…

Parallel Lines

Vertical angles

Supplementary angles

Transversal

Lines that never intersect.

angles formed when two lines intersect that across from one a…

angles whose sum is 180 degrees

a line that intersects 2 or more parallel lines

Parallel Lines

Lines that never intersect.

Vertical angles

angles formed when two lines intersect that across from one a…

Line AB

collinear points

plane

coplanar

2 or more points joined with no thickness or width that exten…

points that lie on the same plane

flat 2 dimensional surface that extends indefinitely in all d…

objects that lie on the same plane

Line AB

2 or more points joined with no thickness or width that exten…

collinear points

points that lie on the same plane

line

line segment

point

ray

A straight path that goes on forever in both directions. We p…

Part of a line. It has two ends, which are called endpoints.

represents a specific location on a plane

part of a line that starts at a point and is endless in the o…

line

A straight path that goes on forever in both directions. We p…

line segment

Part of a line. It has two ends, which are called endpoints.

Parallel

Perpendicular

Slope

distance

lines are lines in a plane which do not meet that is two line…

s the relationship between two lines which meet at a right an…

The slope of a line is a number that measures its steepness u…

The distance between two points is the length of a straight l…

Parallel

lines are lines in a plane which do not meet that is two line…

Perpendicular

s the relationship between two lines which meet at a right an…

line

line segment

point

ray

A straight path that goes on forever in both directions. We p…

Part of a line. It has two ends, which are called endpoints.

represents a specific location on a plane

part of a line that starts at a point and is endless in the o…

line

A straight path that goes on forever in both directions. We p…

line segment

Part of a line. It has two ends, which are called endpoints.

Geometry

point

dimension

line

a kind of math that deals with points, lines, angles, planes…

a geometric element that has no length, width or height and c…

a measure of length, width or height.

a set of points that are joined together and have the dimensi…

Geometry

a kind of math that deals with points, lines, angles, planes…

point

a geometric element that has no length, width or height and c…

corresponding angles

alternate interior angles

interior angles on the same side

vertical angles

If parallel lines are cut by a transversal, then correspondin…

If parallel lines are cut by a transversal,then alternate int…

If parallel lines are cut by a transversal, then interior ang…

Vertical angles are equal in measure

corresponding angles

If parallel lines are cut by a transversal, then correspondin…

alternate interior angles

If parallel lines are cut by a transversal,then alternate int…

Line AB

collinear points

plane

coplanar

2 or more points joined with no thickness or width that exten…

points that lie on the same plane

flat 2 dimensional surface that extends indefinitely in all d…

objects that lie on the same plane

Line AB

2 or more points joined with no thickness or width that exten…

collinear points

points that lie on the same plane

Corresponding Angles

Alternate Interior Angles

Alternate Exterior Angles

Same Side or Consecutive Interior Angles

Angles that are in the same relative position - they are cong…

Angles that are both inside the parallel lines and are on opp…

Angles that are both outside of the parallel lines and are on…

Angles that are both inside the parallel lines and are on the…

Corresponding Angles

Angles that are in the same relative position - they are cong…

Alternate Interior Angles

Angles that are both inside the parallel lines and are on opp…

Parallel Lines

Skew Lines

Perpendicular Lines

Transversal

Coplanar lines that do not intersect - lines that are the sam…

Non-coplanar lines that do not intersect

Two lines that intersect to form a right angle

A line that intersects at least two other lines

Parallel Lines

Coplanar lines that do not intersect - lines that are the sam…

Skew Lines

Non-coplanar lines that do not intersect

Line AB

collinear points

plane

coplanar

2 or more points joined with no thickness or width that exten…

points that lie on the same plane

flat 2 dimensional surface that extends indefinitely in all d…

objects that lie on the same plane

Line AB

2 or more points joined with no thickness or width that exten…

collinear points

points that lie on the same plane

Line

Line segment (Interval)

Distance

Ray

A set of points that extends in two opposite directions witho…

A part of a line with two endpoints

Length of a line segment

A part of a line that starts at one endpoint and extends fore…

Line

A set of points that extends in two opposite directions witho…

Line segment (Interval)

A part of a line with two endpoints

Right Angle

Acute Angle

Obtuse Angle

Straight Angle

An angle that is exactly 90 degrees.

An angle that is less than 90 degrees.

An angle that measures more than 90 degrees but less than 180…

An angle that measures exactly 180 degrees.

Right Angle

An angle that is exactly 90 degrees.

Acute Angle

An angle that is less than 90 degrees.

Point

Line

Rays

Line segment

Location with no size; name with a capital letter

Made of points, goes forever in both directions

Part of a line that starts at a point and continues forever

Part of a line bounded by 2 points

Point

Location with no size; name with a capital letter

Line

Made of points, goes forever in both directions

Parallel Lines

Skew Lines

Parallel Planes

Corresponding Angles

two or more lines that are coplanar (in the same plane) and d…

two or more lines that lie in the same plane

two or more planes that do not intersect

same position, different groups.

Parallel Lines

two or more lines that are coplanar (in the same plane) and d…

Skew Lines

two or more lines that lie in the same plane

collinear points

coplanar

midpoint

segment bisector

points that lie on the same plane

objects that lie on the same plane

a point that divides a segment into two congruent segments

any segment, line, or plane that divides a segment into two c…

collinear points

points that lie on the same plane

coplanar

objects that lie on the same plane

Corresponding Angles

Alternate Interior Angles

Alternate Exterior Angles

Same Side or Consecutive Interior Angles

Angles that are in the same relative position - they are cong…

Angles that are both inside the parallel lines and are on opp…

Angles that are both outside of the parallel lines and are on…

Angles that are both inside the parallel lines and are on the…

Corresponding Angles

Angles that are in the same relative position - they are cong…

Alternate Interior Angles

Angles that are both inside the parallel lines and are on opp…

parallel

Consecutive Interior Angles

Slope

Slope Intercept Form

two lines that have the same slope. the lines will never inte…

Angles that are on the same side of a transversal on the inte…

The steepness of a line on a graph

y=mx+b

parallel

two lines that have the same slope. the lines will never inte…

Consecutive Interior Angles

Angles that are on the same side of a transversal on the inte…

Parallel Postulate

Congruent Linear Pair Theorem

Adjacent Acute Angles Theorem

Perpendicular Four Right Angle Theorem

If there is a line and a point not on the line, then there is…

If two lines intersect to form a linear pair of congruent ang…

If two sides of two adjacent angles are perpendicular, then t…

If two lines are perpendicular, then they intersect to form f…

Parallel Postulate

If there is a line and a point not on the line, then there is…

Congruent Linear Pair Theorem

If two lines intersect to form a linear pair of congruent ang…

point

line

line segment

plane

an exact location in space; named by a capital letter

a straight path that extends forever in opposite directions;…

a part of a line with two endpoints; named by the two endpoints

a flat surface that extends without end in all directions

point

an exact location in space; named by a capital letter

line

a straight path that extends forever in opposite directions;…

point

line

line segment

plane

an exact location in space; named by a capital letter

a straight path that extends forever in opposite directions;…

a part of a line with two endpoints; named by the two endpoints

a flat surface that extends without end in all directions

point

an exact location in space; named by a capital letter

line

a straight path that extends forever in opposite directions;…

transversal

corresponding angles

interior angles

exterior angles

a line that intersects two other lines at different points

the angles that occupy the same relative position at each int…

angles between parallel lines

angles outside parallel lines

transversal

a line that intersects two other lines at different points

corresponding angles

the angles that occupy the same relative position at each int…

Line AB

collinear points

plane

coplanar

2 or more points joined with no thickness or width that exten…

points that lie on the same plane

flat 2 dimensional surface that extends indefinitely in all d…

objects that lie on the same plane

Line AB

2 or more points joined with no thickness or width that exten…

collinear points

points that lie on the same plane

Line

Line segment (Interval)

Distance

Ray

A set of points that extends in two opposite directions witho…

A part of a line with two endpoints

Length of a line segment

A part of a line that starts at one endpoint and extends fore…

Line

A set of points that extends in two opposite directions witho…

Line segment (Interval)

A part of a line with two endpoints

point

ray

plane

line segment

An undefined term that represents a location in space.

a part of a line that goes forever in one direction.

A flat 2D surface that stretches into infinity

A part of a line which is two endpoints on a line, and all th…

point

An undefined term that represents a location in space.

ray

a part of a line that goes forever in one direction.

point

ray

plane

line segment

An undefined term that represents a location in space.

a part of a line that goes forever in one direction.

A flat 2D surface that stretches into infinity

A part of a line which is two endpoints on a line, and all th…

point

An undefined term that represents a location in space.

ray

a part of a line that goes forever in one direction.

right angle

obtuse angle

straight angle

complimentary angles

An angle that measures exactly 90 degrees.

An angle that is >90 degrees and <180 degrees.

An angle that measures exactly 180 degrees.

Angles whose measure adds up to 90 degrees.

right angle

An angle that measures exactly 90 degrees.

obtuse angle

An angle that is >90 degrees and <180 degrees.

If two parallel lines are cut by a tra…

If two lines are cut by a transversal…

If two parallel lines are cut by a tra…

If two lines are cut by a transversal…

Corresponding angles are congruent

The lines are parallel

Alternate interior angles are congruent

The lines are parallel

If two parallel lines are cut by a tra…

Corresponding angles are congruent

If two lines are cut by a transversal…

The lines are parallel

Line Segment

Line

Ray

Vertex

straight path between 2 points (endpoints)

a straight path that goes on forever in opposite directions

a straight path that goes on forever in the opposite directio…

point where 2 lines meet in a shape

Line Segment

straight path between 2 points (endpoints)

Line

a straight path that goes on forever in opposite directions

Point

Line

Plane

Collinear Points

Indicates location and has no size

It can be described as continous set of points forming a stra…

Represents a flat surface that extends without end and has no…

Points that are on the same line.

Point

Indicates location and has no size

Line

It can be described as continous set of points forming a stra…

a line that intersects two or more cop…

Inside the parallel lines and on oppos…

lie on the same side of the transversa…

Angles that have the same relative pos…

Transversal

Alternate Interior Angles

Consecutive Interior Angles

Corresponding Angles

a line that intersects two or more cop…

Transversal

Inside the parallel lines and on oppos…

Alternate Interior Angles

Parallel

Perpendicular

Oblique

Congruent lines

side by side and having the same distance continuously betwee…

is the relationship between two lines which meet at a right a…

neither parallel nor at a right angle to a specified or impli…

segments are usually indicated by drawing the same amount of…

Parallel

side by side and having the same distance continuously betwee…

Perpendicular

is the relationship between two lines which meet at a right a…