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complementary angles

supplementary angles

linear pair

vertical angles

2 angles that add to 90°.

2 angles that add to 180º.

2 angles that are adjacent and add to 180º.

2 angles formed opposite of each other when two lines interse…

complementary angles

2 angles that add to 90°.

supplementary angles

2 angles that add to 180º.

complementary angles

supplementary angles

linear pair

vertical angles

2 angles that add to 90°.

2 angles that add to 180º.

2 angles that are adjacent and add to 180º.

2 angles formed opposite of each other when two lines interse…

complementary angles

2 angles that add to 90°.

supplementary angles

2 angles that add to 180º.

complementary angles

supplementary angles

vertical angles

parallel lines

2 angles that add to 90°.

2 angles that add to 180º.

2 angles formed opposite of each other when two lines interse…

2 lines that never intersect.

complementary angles

2 angles that add to 90°.

supplementary angles

2 angles that add to 180º.

complementary angles

supplementary angles

linear pair

vertical angles

2 angles that add to 90°.

2 angles that add to 180º.

2 angles that are adjacent and add to 180º.

2 angles formed opposite of each other when two lines interse…

complementary angles

2 angles that add to 90°.

supplementary angles

2 angles that add to 180º.

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.

complementary angles

supplementary angles

linear pair

vertical angles

2 angles that add to 90°.

2 angles that add to 180º.

2 angles that are adjacent and add to 180º.

2 angles formed opposite of each other when two lines interse…

complementary angles

2 angles that add to 90°.

supplementary angles

2 angles that add to 180º.

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.

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.

Complementary Angles

Supplementary Angles

Vertical Angles

Adjacent Angles

two angles whose sum is 90 degrees.

two angles whose sum is 180 degrees.

two opposite angles formed by intersecting lines; they are co…

two angles that share a side; two angles that are 'beside' ea…

Complementary Angles

two angles whose sum is 90 degrees.

Supplementary Angles

two angles whose sum is 180 degrees.

Acute Angle

Adjacent Angles

Complementary Angles

Obtuse Angle

An angle which measures less than 90 degrees

Angles that share the same vertex and one side.

Two angles that add to 90 degrees.

Angle between 90 and 180 degrees.

Acute Angle

An angle which measures less than 90 degrees

Adjacent Angles

Angles that share the same vertex and one side.

Complementary Angles

Supplementary Angles

Vertical Angles

Adjacent Angles

two angles whose sum is 90 degrees.

two angles whose sum is 180 degrees.

two opposite angles formed by intersecting lines; they are co…

two angles that share a side; two angles that are 'beside' ea…

Complementary Angles

two angles whose sum is 90 degrees.

Supplementary Angles

two angles whose sum is 180 degrees.

Linear pair

Theorem 5

Theorem 6

Theorem 7

Two adjacent angles on a line

If two angles are supplements of the same angle, then they ar…

If two angles are congruent, then their supplements are congr…

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

Linear pair

Two adjacent angles on a line

Theorem 5

If two angles are supplements of the same angle, then they ar…

parallel lines

skew lines

transversals

consecutive interior angles

lines in the same plane that never intersect

do not intersect and do not lie on the same plane

a line that intersects two or more lines at unique points

Angles that are on the same side of a transversal on the inte…

parallel lines

lines in the same plane that never intersect

skew lines

do not intersect and do not lie on the same plane

Angle

Acute Angle

Obtuse Angle

Perpendicular lines

2 rays with the same end point

an angle less than 90 degree

an angle greater than 90 degree

2 angles or lines that intersect and make right angles

Angle

2 rays with the same end point

Acute Angle

an angle less than 90 degree

What is the measure of ∠1 if ∠2 = 35⁰…

Given: ∠3 and ∠4 are vertical angles a…

How do you know that ∠ABC and ∠BCD are…

Tell me what segment ∠XYZ and ∠WXY hav…

∠1 = 35⁰... (∠1 ≅∠2 because of the definition of vertical angles…

∠4 = 42⁰... (∠3 ≅∠4 because you were told they were vertical ang…

Because the two angles are connected by segment BC.

Segment XY... (Because segment XY is in both angles.)

What is the measure of ∠1 if ∠2 = 35⁰…

∠1 = 35⁰... (∠1 ≅∠2 because of the definition of vertical angles…

Given: ∠3 and ∠4 are vertical angles a…

∠4 = 42⁰... (∠3 ≅∠4 because you were told they were vertical ang…

Right Angle

Obtuse Angle

Acute Angle

Straight Angle

An angle with a measure of 90

An angle with a measure greater than 90 but less than 180

An angle with a measure less than 90 but greater than 0

An angle with a measure of 180

Right Angle

An angle with a measure of 90

Obtuse Angle

An angle with a measure greater than 90 but less than 180

complementary angles CAP

supplementary angles

linear pair LP

vertical angles VA

2 angles that add to 90°.

2 angles that add to 180º.

2 angles that are adjacent and add to 180º.

2 angles formed opposite of each other when two lines interse…

complementary angles CAP

2 angles that add to 90°.

supplementary angles

2 angles that add to 180º.

bisecting a segment

bisecting an angle

constructing perpendicular lines throu…

What is the notation for a point?

bisecting a segment

bisecting an angle

complementary angles

supplementary angles

linear pair

vertical angles

2 angles that add to 90°.

2 angles that add to 180º.

2 angles that are adjacent and add to 180º.

2 angles formed opposite of each other when two lines interse…

complementary angles

2 angles that add to 90°.

supplementary angles

2 angles that add to 180º.

Postulate

Theorem

Converse

Complementary Angles

A true statement that does not need to be proved.

A statement that can be proven

To switch the hypothesis and conclusion of a conditional stat…

Two angles whose measures equal 90 degrees

Postulate

A true statement that does not need to be proved.

Theorem

A statement that can be proven

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

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

Right Angle

Obtuse Angle

Acute Angle

Straight Angle

An angle with a measure of 90

An angle with a measure greater than 90 but less than 180

An angle with a measure less than 90 but greater than 0

An angle with a measure of 180

Right Angle

An angle with a measure of 90

Obtuse Angle

An angle with a measure greater than 90 but less than 180

Adjacent complementary angles

Non-adjacent complementary angles

Angles whose measures add to 90 degrees

Angles whose measures add to 180 degrees

This is an example of

This is an example of

Complementary angles (Definition)

Supplementary angles (Definition)

Adjacent complementary angles

This is an example of

Non-adjacent complementary angles

This is an example of

Adjacent complementary angles (Image)

Non-adjacent complementary angles (Ima…

Complementary angles (Definition)

Supplementary angles (Definition)

Angles whose measures add to 90 degrees

Angles whose measures add to 180 degrees

Adjacent complementary angles (Image)

Non-adjacent complementary angles (Ima…

Congruent interior angles

Supplementary, adjacent angles

A pair of angles that add up to 180 de…

Congruent exterior angles

Alternate interior angles

Linear pair

Supplementary

Alternate exterior angles

Congruent interior angles

Alternate interior angles

Supplementary, adjacent angles

Linear pair

Adjacent angles

Angle bisector

Angle measure postulate

Complementary angles

Two non straight and nonzero angles are adjacent angles if an…

ray VR is an angle bisector of <PVQ if and only if ray VR is…

Angle addition assumption - if angles AVC and CVB are adjacen…

if and only if r +s = 90 degrees

Adjacent angles

Two non straight and nonzero angles are adjacent angles if an…

Angle bisector

ray VR is an angle bisector of <PVQ if and only if ray VR is…