# Study sets matching "vocab 1 geometry math"

Study sets

Diagrams

Classes

Users

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

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

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

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Midpoint

Parallel Lines

Point

Segment Bisector

The point that is equidistant from both endpoints of a line se…

Two lines with the same slope that never touch that are in the…

An exact location/position in a plane

Something that cuts a segment into two equal parts that goes t…

Midpoint

The point that is equidistant from both endpoints of a line se…

Parallel Lines

Two lines with the same slope that never touch that are in the…

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

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

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

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…

acute triangle

right triangle

obtuse triangle

isosceles triangle

a triangle with 3 acute angles

a triangle with 1 right angle

a triangle with 1 obtuse angle

a triangle that has two congruent sides

acute triangle

a triangle with 3 acute angles

right triangle

a triangle with 1 right angle

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

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

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.

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…

Triangle

Acute triangle

Isosceles Triangle

Equilateral triangle

A polygon with 3 sides.

A triangle with ALL acute angles.

A triangle with 2 sides of equal length... (2 sides are congruent…

A triangle with all 3 sides of equal length (all sides are con…

Triangle

A polygon with 3 sides.

Acute triangle

A triangle with ALL acute angles.

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.

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

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point

line

plane

collinear

names a location and has no size

a straight path that has no end points and extends forever

a flat surface that has no thickness and extends forever

points that lie on the same line

point

names a location and has no size

line

a straight path that has no end points and extends forever

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

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

Transversal

Interior

Exterior

Alternate Angles

a line, line segment, or ray that intersects two or more lines…

The region between the lines

The two regions not between the lines

angles on opposite sides of a transversal

Transversal

a line, line segment, or ray that intersects two or more lines…

Interior

The region between the lines