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right angle

obtuse angle

straight angle

complimentary angles

an angle that is exactly 90 degrees.

an angle that is greater than 90 degrees and less than 180 de…

an angle that measures exactly 180 degrees.

2 Angles that add up to 90 degrees.

right angle

an angle that is exactly 90 degrees.

obtuse angle

an angle that is greater than 90 degrees and less than 180 de…

right angle

obtuse angle

straight angle

complimentary angles

an angle that is exactly 90 degrees.

an angle that is greater than 90 degrees and less than 180 de…

an angle that measures exactly 180 degrees.

2 Angles that add up to 90 degrees.

right angle

an angle that is exactly 90 degrees.

obtuse angle

an angle that is greater than 90 degrees and less than 180 de…

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.

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.

obtuse angle

straight angle

complimentary angles

supplementary angles

angle that is >90 degrees and <180 degrees.

angle that measures exactly 180 degrees.

Angles whose measure adds up to 90 degrees.

Angles whose measure adds up to 180 degrees.

obtuse angle

angle that is >90 degrees and <180 degrees.

straight angle

angle that measures exactly 180 degrees.

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.

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.

Two angles whose measures have a sum of 90 degrees.

right angle

angle that measures exactly 90 degrees.

obtuse angle

angle that is >90 degrees and <180 degrees.

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.

angle

vertex

protractor

degree

The figure formed by two rays from the same endpoint.

The intersection of the two sides of an angle.

Instrument used to measure angles.

The basic unit in which angles are measured.

angle

The figure formed by two rays from the same endpoint.

vertex

The intersection of the two sides of an angle.

Exterior Angle of a Polygon

Remote Interior Angles of a Triangle

Linear Pair Postulate

Vertical Angle Theorem

an angle that forms a linear pair with one of the angles of t…

the two angles non-adjacent to the exterior angle.

If two angles form a linear pair, then they are supplementary.

Vertical angles are congruent.

Exterior Angle of a Polygon

an angle that forms a linear pair with one of the angles of t…

Remote Interior Angles of a Triangle

the two angles non-adjacent to the exterior angle.

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.

Two angles whose measures have a sum of 90 degrees.

right angle

angle that measures exactly 90 degrees.

obtuse angle

angle that is >90 degrees and <180 degrees.

reflex angles

straight angle

right angle

obtuse angle

an angle that measures more than 180 degrees and less than 36…

an angle that measures exactly 180 degrees

an angle that measures exactly 90 degrees

an angle that measures more than 90 degrees and less than 180…

reflex angles

an angle that measures more than 180 degrees and less than 36…

straight angle

an angle that measures exactly 180 degrees

acute angle

right angle

obtuse angle

straight angle

An angle that measures less than 90 degrees.

An angle that measures exactly 90 degrees.

An angle that measures between 90 and 180 degrees.

An angle that measures exactly 180 degrees.

acute angle

An angle that measures less than 90 degrees.

right angle

An angle that measures exactly 90 degrees.

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.

obtuse angle

straight angle

complimentary angles

supplementary angles

angle that is >90 degrees and <180 degrees.

angle that measures exactly 180 degrees.

Angles whose measure adds up to 90 degrees.

Angles whose measure adds up to 180 degrees.

obtuse angle

angle that is >90 degrees and <180 degrees.

straight angle

angle that measures exactly 180 degrees.

right angle

obtuse angle

straight angle

complementary 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.

right angle

obtuse angle

straight angle

complementary angles

angle that measures exactly 90 degrees.

angle that is >90 degrees and <180 degrees.

angle that measures exactly 180 degrees.

Two angles whose sum is 90 degrees

right angle

angle that measures exactly 90 degrees.

obtuse angle

angle that is >90 degrees and <180 degrees.

acute angle

right angle

obtuse angle

straight angle

an angle that measures less than 90 degreees.

An angle that measures exactly 90 degrees.

An angle that measures between 90 and 180 degrees.

An angle that measures exactly 180 degrees.

acute angle

an angle that measures less than 90 degreees.

right angle

An angle that measures exactly 90 degrees.

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.

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.

Two angles that add up to 90 degrees.

right angle

angle that measures exactly 90 degrees.

obtuse angle

angle that is >90 degrees and <180 degrees.

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.

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.

Ray

Angle

Vertex

Straight Angle

A portion of a line which starts at a point and goes off in a…

A shape formed by two rays meeting at a common point (vertex).

The common point at which two lines or ray meet.

An angle whose measure is exactly 180 degrees - a straight li…

Ray

A portion of a line which starts at a point and goes off in a…

Angle

A shape formed by two rays meeting at a common point (vertex).

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.

right angle

obtuse angle

straight angle

complementary 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.

Exterior Angle of a Polygon

Remote Interior Angles of a Triangle

Linear Pair Postulate

Vertical Angle Theorem

an angle that forms a linear pair with one of the angles of t…

the two angles non-adjacent to the exterior angle.

If two angles form a linear pair, then they are supplementary.

Vertical angles are congruent.

Exterior Angle of a Polygon

an angle that forms a linear pair with one of the angles of t…

Remote Interior Angles of a Triangle

the two angles non-adjacent to the exterior angle.

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.

Adjacent Angles

Midpoint

Right Angle

Straight Angle

Angles in the same plane that have a common vertex and a comm…

A point on a segment that bisects the segment

An angle measuring exactly 90 degrees

An angle measuring exactly 180 degrees

Adjacent Angles

Angles in the same plane that have a common vertex and a comm…

Midpoint

A point on a segment that bisects the segment

right angle

obtuse angle

straight angle

complimentary angles

an angle that is exactly 90 degrees.

an angle that is greater than 90 degrees and less than 180 de…

an angle that measures exactly 180 degrees.

2 Angles that add up to 90 degrees.

right angle

an angle that is exactly 90 degrees.

obtuse angle

an angle that is greater than 90 degrees and less than 180 de…

right angle

obtuse angle

straight angle

complimentary angles

an angle that is exactly 90 degrees.

an angle that is greater than 90 degrees and less than 180 de…

an angle that measures exactly 180 degrees.

2 Angles that add up to 90 degrees.

right angle

an angle that is exactly 90 degrees.

obtuse angle

an angle that is greater than 90 degrees and less than 180 de…

right angle

obtuse angle

straight angle

complimentary angles

an angle that is exactly 90 degrees.

an angle that is greater than 90 degrees and less than 180 de…

an angle that measures exactly 180 degrees.

2 Angles that add up to 90 degrees.

right angle

an angle that is exactly 90 degrees.

obtuse angle

an angle that is greater than 90 degrees and less than 180 de…

right angle

straight angle

congruent supplements

congruent complements

all right angles are congruent

all straight angles are congruent

supplements of the same angle, or congruent angles, are congr…

complements of the same angle, or congruent angles, are congr…

right angle

all right angles are congruent

straight angle

all straight angles are congruent

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.

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.

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.

Supplementary

Complementary

Acute

Right

Angles that add together to equal 180 degrees and make a stra…

Angles that add together to make a right angle, or 90 degrees.

Any angle that is less than 90 degrees, or smaller thN a righ…

An angle that is exactly 90 degrees

Supplementary

Angles that add together to equal 180 degrees and make a stra…

Complementary

Angles that add together to make a right angle, or 90 degrees.

right angle

obtuse angle

straight angle

vertically opposite angles

an angle that is exactly 90 degrees.

an angle that is greater than 90 degrees and less than 180 de…

an angle that measures exactly 180 degrees.

Angles opposite each other are equal

right angle

an angle that is exactly 90 degrees.

obtuse angle

an angle that is greater than 90 degrees and less than 180 de…

vertical angle pair

linear pair

corresponding angle pair

alternate interior angle pair

non-adjacent angles formed by two intersecting lines

two adjacent angles that form a straight line

same side of transversal; one interior, one exterior

opposite sides of transversal; both between the lines

vertical angle pair

non-adjacent angles formed by two intersecting lines

linear pair

two adjacent angles that form a straight line