# Study sets matching "vocab 1 geometry math"

Study sets

Diagrams

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Angle

Circle

Perpendicular Lines

Parallel Lines

The amount of turn between two straight lines that have a comm…

Two dimensional shape created by drawing a curve that is alway…

Two lines that create a 90 degree angle when they intersect

Two lines on a plane that will never meet. They are always the…

Angle

The amount of turn between two straight lines that have a comm…

Circle

Two dimensional shape created by drawing a curve that is alway…

adjacent angle

acute angle

angle bisector

angle

Two angles that share a common vertex and side, but have no co…

An angle that has a measure greater than 0⁰ and less than 90⁰

A ray that divides an angle into two angles that are congruent

A set of points consisting of two different rays that... have the…

adjacent angle

Two angles that share a common vertex and side, but have no co…

acute angle

An angle that has a measure greater than 0⁰ and less than 90⁰

point

line

ray

line segment

a fixed location in space

a figure made up of points that extend forever in both directi…

a figure that has one endpoint and extends forever in the othe…

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 directi…

Area

Area of Rectangles/Squares

Area of Triangles

Perimeter

The measure, in square units, of the inside of a plane figure.

Length x Width

(Length x Width) divided by 2

The distance around a polygon.

Area

The measure, in square units, of the inside of a plane figure.

Area of Rectangles/Squares

Length x Width

line

line segment

point

ray

A set of connected points continuing without end in both direc…

part of a line with two endpoints

The exact location in space represented by a dot.

A part of a line, with one endpoint, that continues without en…

line

A set of connected points continuing without end in both direc…

line segment

part of a line with two endpoints

line

line segment

ray

parallel lines

a straight, one-dimensional figure that extends infinitely in…

the part of a line between two endpoints

a line with a start point on one end and arrow (showing no end…

lines that are always the same distance apart and never touch…

line

a straight, one-dimensional figure that extends infinitely in…

line segment

the part of a line between two endpoints

line of symmetry

obtuse angle

congruent

angle

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

an angle between 90 and 180 degrees

Having the same size and shape

A figure formed by two rays with a shared endpoint

line of symmetry

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

obtuse angle

an angle between 90 and 180 degrees

Right Angle

Obtuse angle

Scalene triangle

Equilateral triangle

An angle that measures 90 degrees.

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

A triangle with no two sides of equal length

A triangle with three congruent (equal) sides

Right Angle

An angle that measures 90 degrees.

Obtuse angle

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

Midpoint formula

Parallel lines and slope

Perpendicular lines & slope

Area formula for Rectangle

The point in the middle of a line segment

Have the same or equal slopes

Have negative reciprocal slopes (flipped and sign changed) Ex.…

AREA= base

**height or length**widthMidpoint formula

The point in the middle of a line segment

Parallel lines and slope

Have the same or equal slopes

model

polygon

quadrilateral

triangle

a three-dimensional representation of a thing or concept.

2-D shape that has 3 or more straight sides

a 2D shape with four sides and four angles

a polygon with three sides and three angles

model

a three-dimensional representation of a thing or concept.

polygon

2-D shape that has 3 or more straight sides

adjacent angle

acute angle

angle bisector

angle

Two angles that share a common vertex and side, but have no co…

An angle that has a measure greater than 0⁰ and less than 90⁰

A ray that divides an angle into two angles that are congruent

A set of points consisting of two different rays that... have the…

adjacent angle

Two angles that share a common vertex and side, but have no co…

acute angle

An angle that has a measure greater than 0⁰ and less than 90⁰

attribute

congruent angles

isosceles triangle

scalene triangle

A characteristic of a figure.

Angles of a figure that are equal in measure.

A triangle with 2 equal sides of the same length.

A triangle with no congruent sides.

attribute

A characteristic of a figure.

congruent angles

Angles of a figure that are equal in measure.

parallel lines

skew lines

parallel planes

transversal

Coplanar lines that do not intersect.

Lines that do not intersect and are not coplanar.

Two planes that do not intersect.

A line that intersects two coplanar lines at two distinct poin…

parallel lines

Coplanar lines that do not intersect.

skew lines

Lines that do not intersect and are not coplanar.

Polygon

Regular Polygon

Triangle

Quadrilateral

2D shape... Closed... Three or more side

A polygon whose lines are all the same length

A three sided polygon

A four-sided polygon

Polygon

2D shape... Closed... Three or more side

Regular Polygon

A polygon whose lines are all the same length

point

line

line segment

ray

an exact location in space

straight path of points that continues without end in both dir…

part of a line between two endpoints

part of a line with one endpoint that continues without end in…

point

an exact location in space

line

straight path of points that continues without end in both dir…

Congruent segments

Segment addition postulate

Congruent Angles

Angel Addition Postulate

2 or more segments are congruent if they have the same length

If point B is between points A and C, the AB+BC=AC

2 or more angles that have exactly the same... measure

If point C is in the interior of angel ABD, then the measure o…

Congruent segments

2 or more segments are congruent if they have the same length

Segment addition postulate

If point B is between points A and C, the AB+BC=AC

Midpoint formula

Distance Formula

Area formula for Rectangle

Diameter of circle

The point in the middle of a line segment

AREA= base

**height or length**width2 radii = 1 diameter... radius = 1/2 diameter

Midpoint formula

The point in the middle of a line segment

Distance Formula

coordinate plane

ordered pair

congruent

distance formula

a set of two lines, called that axes, that intersect at right…

a pair of values (x,y) where the order is significant

figures that have the same shape, size, lines, and angles.

a formula that states the distance between 2 points. the formu…

coordinate plane

a set of two lines, called that axes, that intersect at right…

ordered pair

a pair of values (x,y) where the order is significant

postulate

plane

point

line

A rule that is accepted without proof. also called axiom

Has two dimensions. It is represented by a shape that looks li…

has no dimensions. It is represented by a dot.

Has one dimension. It is represented by a line with two arrowh…

postulate

A rule that is accepted without proof. also called axiom

plane

Has two dimensions. It is represented by a shape that looks li…

Congruent segments

Collinear

Ray

Vertex

line segments that have the same length

when 3 points are in a row you can say that 1 point is between…

Side of the angle

When 2 points have the same endpoint

Congruent segments

line segments that have the same length

Collinear

when 3 points are in a row you can say that 1 point is between…