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Angle

Sides

Vertex

Acute Angle

the space (usually measured in degrees) between two intersect…

An acute triangle is a triangle with all three angles less th…

In geometry, a vertex (plural vertices) is a special kind of…

An angle that measures less than ninety degrees but more than…

Angle

the space (usually measured in degrees) between two intersect…

Sides

An acute triangle is a triangle with all three angles less th…

Complementary angle

Supplementary angle

Vertical angle

Adjacent angles

Two angles that equal 90°

Two angles that together equal 180°

Opposite angles formed by two intersecting lines there always…

Angles that are next to each other

Complementary angle

Two angles that equal 90°

Supplementary angle

Two angles that together equal 180°

Alternate Interior Angles

Supplementary Angles

Vertical Angles

Same-side interior angles

inside of two lines... opposite side of transversal. ... A=B

2 angles whose measurements add up to 180 degrees... A+B=180 deg…

degrees are equal... make an X,V,Vs... A=B

inside of 2 lines... same-side transversal... A+B=180 degrees

Alternate Interior Angles

inside of two lines... opposite side of transversal. ... A=B

Supplementary Angles

2 angles whose measurements add up to 180 degrees... A+B=180 deg…

acute triangle

right triangle

obtuse triangle

scalene triangle

a triangle w/ all 3 angles less than 90

a triangle w/ one 90 angle

a triangle that has an angle larger than 90

triangle w/ no equal sides

acute triangle

a triangle w/ all 3 angles less than 90

right triangle

a triangle w/ one 90 angle

Transversal

Corresponding angles

Alternate interior angles

Alternate exterior angles

Is a line that interests two other lines at different points

Same position different groups example one +5, 2+6, 3+7, 4+6

On opposite sides of the transversal inside the powerlines ex…

On opposite lines of the transversal outside of the parallel…

Transversal

Is a line that interests two other lines at different points

Corresponding angles

Same position different groups example one +5, 2+6, 3+7, 4+6

Complementary angle

Supplementary angles

Congruent angle

Adjacent angles

Have a total measure of 90 degrees

Have a total of 180 degrees

Two angles are congruent if they have the same angle measure

Touch at a common side

Complementary angle

Have a total measure of 90 degrees

Supplementary angles

Have a total of 180 degrees

point

line

plane

line segment

a location in space

a series of points that extend in opposite directions without…

a plane is a flat surface that extends in all directions with…

a part of a line that contains two endpoints

point

a location in space

line

a series of points that extend in opposite directions without…

VERTEX

ANGLE

ACUTE ANGLE

RIGHT ANGLE

A POINT WHERE 2 STRAIGHT LINES MEET

IS MADE BY 2 RAYS EXTENDING FROM THE SAME ENDPOINT, NAMED BY…

ANGLE MEASURE LESS THAN 90 DEGREES

ANGLE MEASURE EXACTLY 90 DEGREES

VERTEX

A POINT WHERE 2 STRAIGHT LINES MEET

ANGLE

IS MADE BY 2 RAYS EXTENDING FROM THE SAME ENDPOINT, NAMED BY…

Transversal

Interior angles

Exterior angles

Alt. int. angles

Line that intersects 2 or more coplanar lines at 2 different…

The angles between the lines.

The angles outside the 2 lines.

Interior angles that are on opposite sides of the transversal…

Transversal

Line that intersects 2 or more coplanar lines at 2 different…

Interior angles

The angles between the lines.

RIGHT ANGLE

ACUTE ANGLE

OBTUSE ANGLE

COMPLEMENTARY ANGLES

AN ANGLE MEASURING EXACTLY 90 DEGREES

AN ANGLE MEASURING LESS THAN 90 DEGREES

AN ANGLE THAT IS GREATER THAN 90 DEGREES BUT LESS THAN 180 DE…

ANGLES IN WHICH THE SUM ADDS UP TO 90 DEGREES

RIGHT ANGLE

AN ANGLE MEASURING EXACTLY 90 DEGREES

ACUTE ANGLE

AN ANGLE MEASURING LESS THAN 90 DEGREES

Complementary angle

Supplementary angles

Opposite angles

Obtuse angle

More than one angle that add up to 90°

More than one angle that add up to 180°

Are all equal

Greater than 90°

Complementary angle

More than one angle that add up to 90°

Supplementary angles

More than one angle that add up to 180°

Point

Line

Ray

Segment

•a location in space ... •it has no size ... •name a ____ by a capi…

•a series of points that extend in two opposite directions ... •…

•a part of a line with one endpoint ... •name a ___ using two po…

•part of a line with two end points ... •name a ____ by its endp…

Point

•a location in space ... •it has no size ... •name a ____ by a capi…

Line

•a series of points that extend in two opposite directions ... •…

adjacent angles

vertical angles

right angle

obtuse angle

Two angles that have a common side and a common vertex (corne…

Two angles opposite each other when two lines cross. They are…

An angle which is equal to 90°.

An angle which is more than 90° but less than 180°... In other w…

adjacent angles

Two angles that have a common side and a common vertex (corne…

vertical angles

Two angles opposite each other when two lines cross. They are…

Angle

Vertex

Acute angle

Obtuse angle

Formed by two rays that share the same endpoint; written as <…

The endpoint that is shared by two rays that meet to form an…

An angle with a measure greater than 0** and less than 90**

An angle with a measurement greater than 90** and less than 180**

Angle

Formed by two rays that share the same endpoint; written as <…

Vertex

The endpoint that is shared by two rays that meet to form an…

parallel lines

scale factor

alternate exterior angles

alternate interior angles

equidistant lines in the same plane that never intersect

the ratio of any two corresponding lengths in two similar geo…

outside angles that lie on opposite sides of the transversal

inside angles that lie on opposite sides of the transversal

parallel lines

equidistant lines in the same plane that never intersect

scale factor

the ratio of any two corresponding lengths in two similar geo…

Perpendicular Bisector

Adjacent Angles

Straight Angles

Supplementary Angles

A line that intersects a line segment to form two 90 degree a…

Angles that share a common vertex and a common arm

An angle that measures 180 degrees

Two angles whose sum equals 180 degrees

Perpendicular Bisector

A line that intersects a line segment to form two 90 degree a…

Adjacent Angles

Angles that share a common vertex and a common arm

What is a line segment, how is it writ…

How are angles named?

How are angles measured?

What is a vertex?

A line extends infinitely. A line segment is part of a line t…

They can be named using the three end points, with the point…

Angles are measured with a protractor. They are measured in d…

This is the point where two lines join to form an angle.

What is a line segment, how is it writ…

A line extends infinitely. A line segment is part of a line t…

How are angles named?

They can be named using the three end points, with the point…

outer atoms:2... lone pairs:0

outer atoms:3... lone pairs:0

outer atoms:2... lone pairs:1

outer atoms:4... lone pairs:0

shape:linear... angles:180

shape:trigonal planar... angles:120

shape:bent... angles:120

shape:tetrehedral... angles:109.5

outer atoms:2... lone pairs:0

shape:linear... angles:180

outer atoms:3... lone pairs:0

shape:trigonal planar... angles:120

Vertex

Right Angle

Acute Angle

Obtuse Angle

A point where two or more rays meet

An angle that is exactly 90 degrees

An angle that measures less than 90 degrees

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

Vertex

A point where two or more rays meet

Right Angle

An angle that is exactly 90 degrees

corresponding angles

supplementary angles

adjacent angles

complimentary angles

Angles formed by a transversal cutting through 2 or more line…

Two or more angles whose sum is 180 degrees

Angles that have a common side and a common vertex (corner po…

Two angles whose sum is 90 degrees

corresponding angles

Angles formed by a transversal cutting through 2 or more line…

supplementary angles

Two or more angles whose sum is 180 degrees

What do the angles in a quadrilateral…

What are perpendicular lines?

What is the rule for alternate angles?

What is the rule for a corresponding a…

360º

Lines that meet at 90º

They are the same angle and is found in a z-shape

They are the same angle and is found in a F-shape

What do the angles in a quadrilateral…

360º

What are perpendicular lines?

Lines that meet at 90º

Arc

Radius

Diameter

Chord

Is part of a circle connecting two points of the circle.

Is any line segment that connects the center to a point on th…

Is any line segment through the center that connects two poin…

Is any line segment that connects tow points on the circle.

Arc

Is part of a circle connecting two points of the circle.

Radius

Is any line segment that connects the center to a point on th…

Parallel

Perpendicular

Intersect

Right Angle

Lines in the same plane that do not intersect.

Two lines that intersect at right angles.

To share a point or points.

An angle that forms a square corner and measures 90 degrees.…

Parallel

Lines in the same plane that do not intersect.

Perpendicular

Two lines that intersect at right angles.

Line

Line Segment

Ray

Point

A set of points that extend without end in either direction,…

Part of a line with two endpoints

Part of a line that extends in one direction and has one endp…

One exact location, a dot

Line

A set of points that extend without end in either direction,…

Line Segment

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

line segment

ray

An exact location in space. It is usually labeled with a capi…

A straight path that goes on infinitely in both directions.

A straight path between 2 points, called the endpoints. It is…

A straight path that goes on infinitely in one direction. It…

point

An exact location in space. It is usually labeled with a capi…

line

A straight path that goes on infinitely in both directions.

right angle

obtuse angle

straight angle

complementary 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.

Vertical Angles

Supplementary Angles

Complementary Angles

Perpendicular Lines

2 angles opposite each other formed when 2 lines intersect

Angles whose measures sum to 180

Angles whose measures sum to 90

Lines that intersect to form a right angle

Vertical Angles

2 angles opposite each other formed when 2 lines intersect

Supplementary Angles

Angles whose measures sum to 180

acute angle

right angle

obtuse angle

straight angle

an angle less than 90 degrees but more than 0 degrees

an angle that measures 90 degrees

An angle more than 90 degrees

an angle of 180 degrees

acute angle

an angle less than 90 degrees but more than 0 degrees

right angle

an angle that measures 90 degrees

line segment

point

ray

segment

has definite starting & end points

used to name; usually a capital letter

has a definite starting point & continues without end in the…

part of a line with two endpoints

line segment

has definite starting & end points

point

used to name; usually a capital letter

Acute Angle

Right Angle

Obtuse Angle

Degree

An angle whose measure is greater than 0 degrees and less tha…

An angle whose measure is 90 degrees.

An angle whose measure is larger than 90 degrees and smaller…

The units we measure angles with.

Acute Angle

An angle whose measure is greater than 0 degrees and less tha…

Right Angle

An angle whose measure is 90 degrees.