# Study sets matching "basic geometry"

Study sets

Diagrams

Classes

Users

Congruent

Point

Line

Plane

Having the same measure, or same size and shape

It is a location that has no size, no length, no width, and no…

A series of points that extend in two directions infinitely, c…

A flat surface that has no thickness.

Congruent

Having the same measure, or same size and shape

Point

It is a location that has no size, no length, no width, and no…

Point

Line

Line Segment

Ray

A location in space represented with a single point. It is dim…

Made up of points that are a straight path that goes on infini…

Part of a line including 2 points and all the collinear points…

Part of a line that begins with a single point and extends inf…

Point

A location in space represented with a single point. It is dim…

Line

Made up of points that are a straight path that goes on infini…

acute angle

angle

angle measure

arc

An angle with a measure less than 90 drgrees

Two rays that share an endpoint.

The measure of the size of an angle. It tells how far one side…

Part of a circle between any two of its points.

acute angle

An angle with a measure less than 90 drgrees

angle

Two rays that share an endpoint.

Point

Line

Plane

Postulate: There exists exactly one line

Undefined term in Euclidean Geometry. A location in space. No…

Undefined term in Euclidean Geometry. The straight path of a p…

Undefined term in Euclidean Geometry. The straight path of a l…

through any two points.

Point

Undefined term in Euclidean Geometry. A location in space. No…

Line

Undefined term in Euclidean Geometry. The straight path of a p…

acute angle

right angle

obtuse angle

adjacent angles

an angle that measures less than 90 degrees

an angle that measures 90 degrees

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

Two angles that share a common side and have the same vertex

acute angle

an angle that measures less than 90 degrees

right angle

an angle that measures 90 degrees

Adjacent angles

Vertical Angles

Complementary Angles

Supplementary Angles

Angles that have a common side and a common vertex.

Angles opposite each other when two lines cross. They are alwa…

Two angles that make 90° when they are added together.

Two angles that make 180° when they are added together.

Adjacent angles

Angles that have a common side and a common vertex.

Vertical Angles

Angles opposite each other when two lines cross. They are alwa…

ray

point

acute angle

line

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

An exact location in space

An angle that measures less than 90 degrees

A straight path that extends without end in opposite directions

ray

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

point

An exact location in space

quadrilateral

polygon

parallelogram

square

A four-sided polygon.

A closed plane figure made up of line segments

A quadrilateral with two pairs of parallel sides

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

quadrilateral

A four-sided polygon.

polygon

A closed plane figure made up of line segments

acute angle

adjacent angles

complementary angles

obtuse angle

an angle whose measure is less than 90 degrees

two angles that share a common side and vertex but do not shar…

two angles whose sum is 90 degrees

an angle whose measure is greater than 90 degrees (but less th…

acute angle

an angle whose measure is less than 90 degrees

adjacent angles

two angles that share a common side and vertex but do not shar…

Point

Line

Plane

Line Segment

An exact location represented by a dot.

a straight path that extends without end in opposite directions

A two-dimensional flat surface that extends in all directions

A part of a line with two endpoints

Point

An exact location represented by a dot.

Line

a straight path that extends without end in opposite directions

This object has 2 endpoints. This objec…

This object has a starting point and th…

Goes on forever in two directions. This…

Made by two rays (the sides) that meet…

segment

ray

line

angle

This object has 2 endpoints. This objec…

segment

This object has a starting point and th…

ray

acute angle

adjacent angles

complementary angles

obtuse angle

an angle whose measure is less than 90 degrees

two angles that share a common side and vertex but do not shar…

two angles whose sum is 90 degrees

an angle whose measure is greater than 90 degrees (but less th…

acute angle

an angle whose measure is less than 90 degrees

adjacent angles

two angles that share a common side and vertex but do not shar…

point

line

plane

collinear points

A point is undefined, but you can think of it as a location.

A line is undefined, but you can think of it as a series of po…

A plane is undefined, but you can think of it as a flat surfac…

Collinear points lie on the same line.

point

A point is undefined, but you can think of it as a location.

line

A line is undefined, but you can think of it as a series of po…

Point

Line

Plane

Segment

Represents a position in space.

Continues without end in opposite directions.

A flat surface with no thickness that continues without end in…

Part of a line with two endpoints.

Point

Represents a position in space.

Line

Continues without end in opposite directions.

Point

Ray

Line

Line Segment

A place in space that is often marked by a letter or number.

A line that has a beginning point and extends indefinitely in…

Extends indefinitely in both directions.

Part of a line with a two points marking a beginning and end.

Point

A place in space that is often marked by a letter or number.

Ray

A line that has a beginning point and extends indefinitely in…

angle bisector

complementary angles

supplementary angles

midpoint

A ray that divides an angle into two angles that both have the…

Two angles whose measure have a sum of 90.

Two angles whose measure have a sum of 180.

The point that divides a segment into two segments that have t…

angle bisector

A ray that divides an angle into two angles that both have the…

complementary angles

Two angles whose measure have a sum of 90.

Point

Line

Plane

Ray

A spot in space

A set of points that extends in opposite directions without en…

A set of points that extends in all directions without ending

A set of points that extend in one direction without ending

Point

A spot in space

Line

A set of points that extends in opposite directions without en…

conjecture

counterexample

postulate

theorem

an unproven statement based on observations.

an example that shows a conjecture is false.

a rule that is accepted without proof.

a rule that has been proven true.

conjecture

an unproven statement based on observations.

counterexample

an example that shows a conjecture is false.

Collinear

Coplanar

Point

Line

A series of points lying the same straight line

To be in the same plane

An exact position or location on a plane surface

A straight mark with no curves and extends for an infinite amo…

Collinear

A series of points lying the same straight line

Coplanar

To be in the same plane

Point

Line

Plane

Collinear Points

indicates a location, has no size

a straight path that extends in two opposite directions withou…

flat surface that extends without end and has no thickness

Points on the same line

Point

indicates a location, has no size

Line

a straight path that extends in two opposite directions withou…

Point

Line

Line Segment

Rays

A location in space represented with a single point. It is dim…

Made up of points that are straight and extend into infinity.

Made up of point that are straight, however, has and end and b…

A set of points that are straight and can extend to infinity i…

Point

A location in space represented with a single point. It is dim…

Line

Made up of points that are straight and extend into infinity.

Point

Line

Plane

Collinear Points

indicates a location, has no size. Named with one capital lett…

a straight path that extends in two opposite directions withou…

flat surface that extends without end and has no thickness.

Points on the same line.

Point

indicates a location, has no size. Named with one capital lett…

Line

a straight path that extends in two opposite directions withou…

Collinear

Linear Pair

Supplementary angles

Vertical Angles

Points that lie on the same line

A pair of adjacent angles whose noncommon sides are opposite r…

Two angles whose sum is 180 degrees

A pair of opposite congruent angles formed by intersecting lin…

Collinear

Points that lie on the same line

Linear Pair

A pair of adjacent angles whose noncommon sides are opposite r…

Equilateral Triangle

Isosceles Triangle

Scalene Triangle

Quadrilateral

A triangle with all sides of equal length

A triangle with two sides of equal length

A triangle with no sides of equal length

A polygon with four sides

Equilateral Triangle

A triangle with all sides of equal length

Isosceles Triangle

A triangle with two sides of equal length