# Study sets matching "angles lines"

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vertex

acute angle

straight angle

right angle

A point where two or more straight lines meet.

an angle that measures less than 90 degrees

an angle that measures 180 degrees

an angle that measures 90 degrees

vertex

A point where two or more straight lines meet.

acute angle

an angle that measures less than 90 degrees

Adjacent angles

Vertical Angles

Vertical Angles Theorem

Complementary Angles

-two angles that have a common side and a common vertex and do…

-the non adjacent angles formed by two intersecting lines

-two angles whose sum have measures of 90 degrees

Adjacent angles

-two angles that have a common side and a common vertex and do…

Vertical Angles

-the non adjacent angles formed by two intersecting lines

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.

parallel lines

perpendicular lines

acute angle

right angle

lines that never intersect

Lines that intersect to form right angles

an angle that measures less than 90 degrees

an angle that measures 90 degrees

parallel lines

lines that never intersect

perpendicular lines

Lines that intersect to form right angles

Same-Side Interior Angles

Same-Side Exterior Angles

Corresponding Angles

Corresponding Angles Postulate

Pairs of angles formed when a third line (a transversal) cross…

Pairs of angles formed when a third line (a transversal) cross…

Angles that are in the same position. When a transversal inter…

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

Same-Side Interior Angles

Pairs of angles formed when a third line (a transversal) cross…

Same-Side Exterior Angles

Pairs of angles formed when a third line (a transversal) cross…

Parallel lines

Equal

Alternate interior angles

Alternate exterior angles

Lines will never meet that they are always equidistant.

the angles that occupy the same relative position at each inte…

When two lines are crossed by another line (called the Transve…

When two lines are crossed by another line (called the Transve…

Parallel lines

Lines will never meet that they are always equidistant.

Equal

the angles that occupy the same relative position at each inte…

Addition Postulate

Segment Addition Postulate

Angles

Measure of angle ABC

if points lie within angle PQR then the measure of PQS plus me…

two rays that share an endpoint called the vertex

Addition Postulate

if points lie within angle PQR then the measure of PQS plus me…

Segment Addition Postulate

Right Angle

Obtuse Angle

Acute Angle

Straight Angle

An angle that measures 90 degrees

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

an angle that measures less than 90 degrees

an angle that measures 180 degrees

Right Angle

An angle that measures 90 degrees

Obtuse Angle

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

Alternate Interior Angles

Alternate Exterior Angles

Corresponding Angles

Vertical Angles

Congruent angles formed by parallel lines cut by a transversal…

Congruent angles formed by parallel lines cut by a transversal…

Congruent angles formed by parallel lines cut by a transversal…

Congruent angles formed by parallel lines cut by a transversal…

Alternate Interior Angles

Congruent angles formed by parallel lines cut by a transversal…

Alternate Exterior Angles

Congruent angles formed by parallel lines cut by a transversal…

right angle

obtuse angle

straight angle

complimentary angles

angle that measures exactly 90 degrees.

angle that is >90 degrees and <180 degrees.

angle that measures exactly 180 degrees.

Angles whose measure adds up to 90 degrees.

right angle

angle that measures exactly 90 degrees.

obtuse angle

angle that is >90 degrees and <180 degrees.

line

line segment

ray

angle

extends endlessly between 2 points

A part of a line with two endpoints

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

A figure formed by two rays with a common endpoint

line

extends endlessly between 2 points

line segment

A part of a line with two endpoints

parallel lines

perpendicular lines

obtuse angle

acute angle

lines that never intersect

intersecting lines that form right angles

angle that measures more than 90 degrees

angle that measures less than 90 degrees

parallel lines

lines that never intersect

perpendicular lines

intersecting lines that form right angles

point

line

line segment

ray

an exact location in space

a straight path that goes on without end in both directions.

a part of a line with two endpoints

a part of a line that begins at a point and continues without…

point

an exact location in space

line

a straight path that goes on without end in both directions.

vertex

acute angle

straight angle

right angle

A point where two or more straight lines meet.

an angle that measures less than 90 degrees

an angle that measures 180 degrees

an angle that measures 90 degrees

vertex

A point where two or more straight lines meet.

acute angle

an angle that measures less than 90 degrees

Right Angle

Obtuse Angle

Acute Angle

Straight Angle

An angle that measures 90 degrees

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

an angle that measures less than 90 degrees

an angle that measures 180 degrees

Right Angle

An angle that measures 90 degrees

Obtuse Angle

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

acute angle

right angle

obtuse angle

complementary 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 whose measures add to 90 degrees.

acute angle

an angle that measures less than 90 degrees

right angle

an angle that measures 90 degrees

parallel lines

perpendicular lines

obtuse angle

acute angle

lines that never intersect

intersecting lines that form right angles

angle that measures more than 90 degrees

angle that measures less than 90 degrees

parallel lines

lines that never intersect

perpendicular lines

intersecting lines that form right angles

Triangle

Right triangle

Acute triangle

Obtuse triangle

Polygon with 3 sides and 3 angles

Triangle with 1 right angle - 90 degrees

Triangle with 3 acute angles

Triangle with 1 obtuse angle

Triangle

Polygon with 3 sides and 3 angles

Right triangle

Triangle with 1 right angle - 90 degrees