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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

Vertically Opposite Angles

Adjacent Angles

360º

Bearing

What do we call angles opposite each other that are EQUAL

What do we call angles next to each other that add to 180º

Finish this sentence: "Angles at a point add to . . . "

What is a 3 digit number that is used to measure direction

Vertically Opposite Angles

What do we call angles opposite each other that are EQUAL

Adjacent Angles

What do we call angles next to each other that add to 180º

POSTULATE 6

POSTULATE 7

acute angles

75

Every angle corresponds with a unique real number greater tha…

The set of rays on the same side of a line with a common endp…

The bisector of an obtuse angle forms:

∠ BAD is bisected by . If m∠ BAC = 2 x - 5 and m∠ CAD = 145,…

POSTULATE 6

Every angle corresponds with a unique real number greater tha…

POSTULATE 7

The set of rays on the same side of a line with a common endp…

If two angles form a linear pair

If the no common sides of two adjacent…

Angles that are supplementary to the s…

Angles are commentary to the same angl…

Then they are supplementary angles

Then tHe angles are complementary

Are congruent

Are congruent

If two angles form a linear pair

Then they are supplementary angles

If the no common sides of two adjacent…

Then tHe angles are complementary

Adjacent Angles

Same Side Interior Angles

Supplementary Angles

Alternate Interior Angles

Two angles that have a common side and vertex.

Angles on different sides of the transversal, between two lin…

Two angles with the sum of 180.

Angles that are supplementary and adjacent

Adjacent Angles

Two angles that have a common side and vertex.

Same Side Interior Angles

Angles on different sides of the transversal, between two lin…

angle

right angle

obtuse angle

straight angle

consists of two different rays with the same end point.

angle that measures exactly 90 degrees.

angle that is >90 degrees and <180 degrees.

angle that measures exactly 180 degrees.

angle

consists of two different rays with the same end point.

right angle

angle that measures exactly 90 degrees.

Equilateral triangle

Isosceles triangle

Scalene triangle

Acute angle

A triangle that all the sides on it are the same length.

A triangle that 2 of its sides are the same length.

None of its sides are the same length.

An angle that is less than 90 degrees.

Equilateral triangle

A triangle that all the sides on it are the same length.

Isosceles triangle

A triangle that 2 of its sides are the same length.

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 more than 90 degrees and less than 180…

An angle that measures exactly 180 degrees; a straight line.

acute angle

An angle that measures less than 90 degrees.

right angle

An angle that measures exactly 90 degrees.

Adjacent angles

Complementary angles

Supplementary angles

Linear pair

Two angles that are next to each other and share a common side

Any two angles whose sum is 90 degrees

Any two angles whose sum is 180 degrees

Two angles that are adjacent and supplementary they form a st…

Adjacent angles

Two angles that are next to each other and share a common side

Complementary angles

Any two angles whose sum is 90 degrees

acute angle

obtuse angle

right angle

ABC=

an angle that is smaller that 90 degrees

an angle between 90 and 180 degrees

an angle that is 90 degrees

A phrase that you write in front of an angle's measurement. (…

acute angle

an angle that is smaller that 90 degrees

obtuse angle

an angle between 90 and 180 degrees

Line

Line segment (Interval)

Distance

Ray

A set of points that extends in two opposite directions witho…

A part of a line with two endpoints

Length of a line segment

A part of a line that starts at one endpoint and extends fore…

Line

A set of points that extends in two opposite directions witho…

Line segment (Interval)

A 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.

Right angle

Straight angle

Obtuse angle

Reflex angle

An angle that measures 90 degrees

An angle that measures 180 degrees

An angle that measures between 90 and 180 degrees

An angle greater than 180 degrees (but less than 360)

Right angle

An angle that measures 90 degrees

Straight angle

An angle that measures 180 degrees

segment bisector

midpoint

bisect

angle bisector

a segment, ray, line, or plane that intersects a segment at i…

A point that divides a segment into two congruent segments

To divide into two congruent (equal) parts

a ray that divides an angle into two congruent angles

segment bisector

a segment, ray, line, or plane that intersects a segment at i…

midpoint

A point that divides a segment into two congruent segments

point

line

line segment

plane

an exact location in space; named by a capital letter

a straight path that extends forever in opposite directions;…

a part of a line with two endpoints; named by the two endpoints

a flat surface that extends without end in all directions

point

an exact location in space; named by a capital letter

line

a straight path that extends forever in opposite directions;…

Polygon

Regular polygon

Irregular polygon

Convex polygon

a closed 2-D shape formed by at least 3 line segments that do…

polygon that has sides and angles that are congruent, or equal

polygon in which not all sides and angles are congruent

a polygon with all angles pointing outward

Polygon

a closed 2-D shape formed by at least 3 line segments that do…

Regular polygon

polygon that has sides and angles that are congruent, or equal

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.

Line

Line Segment

Ray

Intersection

Two angles when added together equal 90

Part of a line with one endpoint and extends infinitely in th…

Two angles when added equal 180. They may or may not be adjac…

A straight path of points that extends infinitely in both dir…

Line

Two angles when added together equal 90

Line Segment

Part of a line with one endpoint and extends infinitely in th…

Adjacent

Linear Pair

Complimentary

Supplementary

Angles that are next to each other, touchingeach other. Angle…

Angles that from a line. Non-shared angles and are opposite r…

The angles add up to 90°.

The angles add up to 180°.

Adjacent

Angles that are next to each other, touchingeach other. Angle…

Linear Pair

Angles that from a line. Non-shared angles and are opposite r…

Perpendicular

Midpoint

Equilateral Triangle

congruent angles

2 line segments that form a right angle

a point that divides a segment into 2 congruent segments.

a triangle with 3 congruent sides... all 3 angles will be con…

2 or more angles that have equal measures

Perpendicular

2 line segments that form a right angle

Midpoint

a point that divides a segment into 2 congruent segments.

Line

Line segment (Interval)

Distance

Ray

A set of points that extends in two opposite directions witho…

A part of a line with two endpoints

Length of a line segment

A part of a line that starts at one endpoint and extends fore…

Line

A set of points that extends in two opposite directions witho…

Line segment (Interval)

A part of a line with two endpoints

Angle

Vertex

Side of angle

Initial Side (of an angle)

Composed of 2 rays that share a common endpoint.

A special kind of point that describes the corners, or inters…

An angle has 2 sides - Initial and Terminal.... **Initial Side…

The side of an angle that is fixed along the positive x-axis…

Angle

Composed of 2 rays that share a common endpoint.

Vertex

A special kind of point that describes the corners, or inters…

Complementary

Supplementary

Adjacent angles

Linear pairs

2 angles who's measure add to 90

2 angles that equal to 180

Coplanar, common vertex, no common interior points

Angles are adjacent and form opposite rays ... Share same initia…

Complementary

2 angles who's measure add to 90

Supplementary

2 angles that equal to 180

acute angle

alternate exterior angle

corresponding angle

alternate interior angles

an angle that measures less than 90 degrees

Angles that lie outside a pair of lines and on opposite sides…

Angles in the same place on different lines

angles between 2 lines and on opposite sides of a transversal

acute angle

an angle that measures less than 90 degrees

alternate exterior angle

Angles that lie outside a pair of lines and on opposite sides…

angle

straight angle

Right angle

Obtuse angle

a figure formed by two rays or segments that connect at a ver…

an angle with measure 180°

An angle with measure 90°

An angle more than 90° but less than 180°

angle

a figure formed by two rays or segments that connect at a ver…

straight angle

an angle with measure 180°

Acute

Obtuse

Right

Straight

An angle whose measure is less than 90°

An angle whose measure is greater than 90° and less than 180°

An angle whose measure is exactly 90° (marked with base)

An angle whose measure is exactly 180° (line)

Acute

An angle whose measure is less than 90°

Obtuse

An angle whose measure is greater than 90° and less than 180°

linear pairs (adjacent)

co-interior angles

vertical angles

corresponding angles

angles that are side by side and form a line, not congruent 1…

interior angles that are side by side, not congruent 180

opposite angles, congruent

angles in the same spot, congruent

linear pairs (adjacent)

angles that are side by side and form a line, not congruent 1…

co-interior angles

interior angles that are side by side, not congruent 180

Corresponding Angles

Vertical Angles

Consecutive Interior (Same-Side) Angles

Alternate Interior Angles

Corresponding angles are angles that are on the same side of…

Vertical angles are angles diagonal from each other on the sa…

Angles on the same side but on the inside of the transversal…

Angles on the interior and are diagonal from each other. Diff…

Corresponding Angles

Corresponding angles are angles that are on the same side of…

Vertical Angles

Vertical angles are angles diagonal from each other on the sa…

Geometry

Point

Line

Plane

the study of measurments dealing with shapes on Earth

indicates a place or position. It has no length, width or thi…

a set of points extending endlessly in two directions. A line…

a set of points suggested by a flat surface. A plane extends…

Geometry

the study of measurments dealing with shapes on Earth

Point

indicates a place or position. It has no length, width or thi…

point

line

line segment

plane

an exact location in space; named by a capital letter

a straight path that extends forever in opposite directions;…

a part of a line with two endpoints; named by the two endpoints

a flat surface that extends without end in all directions

point

an exact location in space; named by a capital letter

line

a straight path that extends forever in opposite directions;…

Corresponding Angles:

Right Angles:

Obtuse Angles:

Acute Angles:

Angles that occupy the same relative position at each interse…

Angles that equal 90 degrees

Angles that equal more than 90 degrees, and less than 180 deg…

Angles that equal less than 90 degrees

Corresponding Angles:

Angles that occupy the same relative position at each interse…

Right Angles:

Angles that equal 90 degrees

angle

acute angle

right angle

obtuse angle

is the intersection of two rays with a common endpoint.

is an angle whose measure is less than 90

is an angle whose measure is 90

is an angle whose measure is more than 90 but less than 180

angle

is the intersection of two rays with a common endpoint.

acute angle

is an angle whose measure is less than 90

Angle

Vertex

Acute Angle

Right Angle

Formed by two rays that share the same endpoint.

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 that measure 90

Angle

Formed by two rays that share the same endpoint.

Vertex

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

acute angle

adjacent angle

angle bisector

bisect

an angle whose measure is les than 90 degrees

2 angles that share a common vertex and side but no common in…

a line, ray, or segment that cuts an angle in half (it divide…

to divide into 1 congruent parts

acute angle

an angle whose measure is les than 90 degrees

adjacent angle

2 angles that share a common vertex and side but no common in…

Angle

Right angle

Obtuse angle

Straight angle

is a set of points that is the Union of two rays having the s…

90-angle who's decree measure is 90. Perpendicular lines form…

Angle who's decree measure is greater then 90 and less than 180

Angle who's decree is 180 . A straight angle is the something…

Angle

is a set of points that is the Union of two rays having the s…

Right angle

90-angle who's decree measure is 90. Perpendicular lines form…

right angle

obtuse angle

straight angle

complimentary 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.