# Study sets matching "geometry angles"

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Vertical Angles

Alternate Interior Angles

Alternate Exterior Angles

Corresponding Angles

When two lines intersect, angles opposite each other are congr…

Angles inside parallel lines and on opposite sides of a transv…

Angles outside parallel lines and on opposite sides of a trans…

These angles match up, or are in the same "place" when two par…

Vertical Angles

When two lines intersect, angles opposite each other are congr…

Alternate Interior Angles

Angles inside parallel lines and on opposite sides of a transv…

Adjacent angles

Vertical angles

Complementary angles

Corresponding angles

Pair of angles with a common vertex and share a side

Angles opposite each other when two lines intersect

Two angles with a sum of 90 degrees

Angles that correspond to one another when lines cross

Adjacent angles

Pair of angles with a common vertex and share a side

Vertical angles

Angles opposite each other when two lines intersect

Angle

Vertex

Acute angle

Obtuse angle

two rays that share an initial point

the initial point of the rays that form an angle or a "corner"…

an angle whose measure is between 0 degrees and 90 degrees

an angle whose measure is between 90 degrees and 180 degrees

Angle

two rays that share an initial point

Vertex

the initial point of the rays that form an angle or a "corner"…

perpendicular

Parallel lines

Right angle

Acute angle

Two lines that intersect to make a right angle

Lines that are always the same distance apart. They do not int…

An angle that is 90 degrees (It makes a square in the corner).

an angle that measures less than 90 degress (smaller than a ri…

perpendicular

Two lines that intersect to make a right angle

Parallel lines

Lines that are always the same distance apart. They do not int…

angle

vertex (vertices)

acute angle

right angle

a figure formed by two rays with a common endpoint

the point(s) of intersection of two sides of an angle or figure

an angle that measures between 0° and 90°

an angle that measures exactly 90°

angle

a figure formed by two rays with a common endpoint

vertex (vertices)

the point(s) of intersection of two sides of an angle or figure

Arc

Name of An Arc

Central Angle

Inscribed Angle

Unbroken part of an angle that contains 2 endpoints and all of…

The 2 endpoints with an arc-like curve written on top

Angle whose vertex is the center of a circle

Angle whose vertex is on the circle and whose rays are chords…

Arc

Unbroken part of an angle that contains 2 endpoints and all of…

Name of An Arc

The 2 endpoints with an arc-like curve written on top

congruent angles

corresponding angles

adjacent angles

vertical angles

angles that have the same measure

Angles that have the same position on two different parallel l…

Share a common vertex, a common side and no common interior po…

A pair of opposite congruent angles formed by intersecting lin…

congruent angles

angles that have the same measure

corresponding angles

Angles that have the same position on two different parallel l…

parallel

parallel planes

transversal

congruent

Two lines are ______ if they are coplanar and do not intersect.

Two planes that do not intersect are called ___________ ______…

A _______________ is a line that intersects two or more coplan…

If two parallel lines are cut by a transversal, then the pairs…

parallel

Two lines are ______ if they are coplanar and do not intersect.

parallel planes

Two planes that do not intersect are called ___________ ______…

Linear Angles

Supplementary Angles

Complementary Angles

Protractor Postulate

two positive angles that form a straight line together

two angles who's sum is 180°

two angles who's sum is 90°

the measure of an angle is the absolute value of the differenc…

Linear Angles

two positive angles that form a straight line together

Supplementary Angles

two angles who's sum is 180°

Acute Angles

Right Angle

Obtuse Angle

Straight Angle

An angle less than 90 degrees but more than 0

An angle that is 90 degrees with a measure

An angle more than 90 degrees but less than 180

An angle that is 180 degrees

Acute Angles

An angle less than 90 degrees but more than 0

Right Angle

An angle that is 90 degrees with a measure

Corresponding angles

Same side interior angles

Same side exterior angles

Interior angles

Two angles that occupy corresponding possitions

Two angles that lie between parallel lines on the same sides o…

Two angles that lie outside parallel lines on the same sides o…

Angles that lie in the area between two parallel lines that ar…

Corresponding angles

Two angles that occupy corresponding possitions

Same side interior angles

Two angles that lie between parallel lines on the same sides o…

acute angle

adjacent angle

angle

congruent

An angle that measures more than zero but less than 90 degrees

Two angles that share a side and a vertex

Formed by two opposite rays starting at the same vertex

Exact same size

acute angle

An angle that measures more than zero but less than 90 degrees

adjacent angle

Two angles that share a side and a vertex

Colinear points

Adjacent angles

Congruent angles or sides

Supplementary angles

Points that lie on the same line

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

Angles or line segments that have the same measure

Angles whose measure adds up to 180 degrees.

Colinear points

Points that lie on the same line

Adjacent angles

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

Angle

Angle bisector

Linear pair

Complementary angles

The union of two non-collinear rays that intersect at their co…

A ray that divides an angle into two congruent angles

Two adjacent angles having non-common sides that form a line

Two angles whose measures have a sum of 90 degrees

Angle

The union of two non-collinear rays that intersect at their co…

Angle bisector

A ray that divides an angle into two congruent angles

Polygon

Diagonal

Concave polygon

Convex polygon

A closed plane figure formed by three or more segments. Each s…

A segment that connects two nonconsecutive vertices.

A diagonal contains points outside of the polygon.

No diagonal contains points outside of the polygon.

Polygon

A closed plane figure formed by three or more segments. Each s…

Diagonal

A segment that connects two nonconsecutive vertices.

Alternate Interior Angles

Alternate Exterior Angles

Coincident

Consecutive interior angles

The angles opposite of the traversal line, but inside the lines

The angles opposite of the transversal but inside the lines

Two lines being on the same line

The angles created on one side of a transverse

Alternate Interior Angles

The angles opposite of the traversal line, but inside the lines

Alternate Exterior Angles

The angles opposite of the transversal but inside the lines

Skew Lines

Parallel lines

coincident lines

transversal

parallel two lines that do not intersect and are not coplanar

Two lines that do not intersect and are coplanar

two lines that are on top of each other and do not intersect

"a line that intersects two or more coplanar lines at differen…

Skew Lines

parallel two lines that do not intersect and are not coplanar

Parallel lines

Two lines that do not intersect and are coplanar

angle

Interior of <BAC

Exterior of <BAC

triangle

union of two nonopposite rays with a common endpoint

set of all points in the plane of <BAC such that: P and B are…

Points not in the interior, nor on the angle and in the plane

union of segments of three noncollinear points

angle

union of two nonopposite rays with a common endpoint

Interior of <BAC

set of all points in the plane of <BAC such that: P and B are…