# Study sets matching "lines geometry angles"

Study sets

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Substitution property of equality

Addition property of equality

Subtraction property of equality

Multiplication property of equality

if a=b a can be a substitute for b in any equation

if a=b then a+c=b+c

if a=b then a-c=b-c

if a=b then ac = bc

Substitution property of equality

if a=b a can be a substitute for b in any equation

Addition property of equality

if a=b then a+c=b+c

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

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.

Line

Line segment (Interval)

Distance

Ray

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

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 forev…

Line

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

Line segment (Interval)

A part of a line with two endpoints

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…

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.

Point

Line

Plane

Line Segment

A location in space that has no length, width, or depth.

Made up of an infinite number of points. Has infinite length,…

A flat surface that has infinite length and width, but no dept…

A part of a line between two points.

Point

A location in space that has no length, width, or depth.

Line

Made up of an infinite number of points. Has infinite length,…

Vertical Angles

Supplementary Angles

Complementary Angles

Perpendicular Lines

2 angles opposite each other formed when 2 lines intersect

Angles whose measures sum to 180

Angles whose measures sum to 90

Lines that intersect to form a right angle

Vertical Angles

2 angles opposite each other formed when 2 lines intersect

Supplementary Angles

Angles whose measures sum to 180

plane

complementary angles

line segment

supplementary

a flat surface of points that goes on forever in all directions

two angles whose sum measures 90 degrees

an infinite number of points that has two distinct end points

two angles whose sum measures 180 degrees

plane

a flat surface of points that goes on forever in all directions

complementary angles

two angles whose sum measures 90 degrees

Segment Bisector

Angle bisector

Adjacent angles

Vertical angles

Any segment, line, or plane that intersects a segment.

A ray that divides an angle into two congruent angles.

Two angles that lie in the same plane with a common vertex and…

Two nonadjacent angles formed by two intersecting lines.

Segment Bisector

Any segment, line, or plane that intersects a segment.

Angle bisector

A ray that divides an angle into two congruent angles.

transitive property of parallel lines t…

alternate interior angles converse theo…

alternate exterior angles converse theo…

corresponding angles converse theorem

if the alternate interior angles are congruent, then the lines…

if the alternate exterior angles are congruent, then the lines…

if corresponding angles are congruent, then the lines are para…

transitive property of parallel lines t…

alternate interior angles converse theo…

if the alternate interior angles are congruent, then the lines…

Transversal

Corresponding Angles

Alternate Angles

Interior Angles

a line that intersects two or more lines in a plane at separat…

two angles on the same side of the transversal, on a different…

two angles formed by a transversal and the lines it crosses, o…

two angles formed by a transversal and the lines it crosses, l…

Transversal

a line that intersects two or more lines in a plane at separat…

Corresponding Angles

two angles on the same side of the transversal, on a different…

alternate interior angles (example from…

transversal (example from diagram)

parallel lines (example from diagram)

lines that form angle 2 (example from d…

<2 and <7

line z

lines x and y

lines x and z

alternate interior angles (example from…

<2 and <7

transversal (example from diagram)

line z

Indirect Proof

Hypotenuse

Legs

Interior Angle

an argument for a proposition that shows its negation to be in…

The side of a triangle opposite the right angle.

The sides of a right triangle not opposite the right angle in…

The area between two rays that define and angle. Or, any of th…

Indirect Proof

an argument for a proposition that shows its negation to be in…

Hypotenuse

The side of a triangle opposite the right angle.

Parallel lines

Supplementary angles

Diagonal Lines

Coplanar Lines

Coplanar lines that will never intersect

Two angles whose sum is 180 degrees

A segment that connects two non-consecutive vertices

Anything that lies on the same plane

Parallel lines

Coplanar lines that will never intersect

Supplementary angles

Two angles whose sum is 180 degrees

Acute Angle

Obtuse Angle

Right Angle

Straight Angle

an angle that measures less than 90 degrees

An angle between 90 and 180 degrees... An angle more than 90 degr…

an angle that measures 90 degrees

an angle that measures 180 degrees

Acute Angle

an angle that measures less than 90 degrees

Obtuse Angle

An angle between 90 and 180 degrees... An angle more than 90 degr…

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

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.

Point

Line

Line Segment

Ray

Shows an exact location in space and is named by a letter.

A straight path that goes on forever in both directions with n…

A part of a line that has 2 end points.

A part of a line that has 1 end point and extends in one direc…

Point

Shows an exact location in space and is named by a letter.

Line

A straight path that goes on forever in both directions with n…

Intersection

Parallel

Perpendicular

Midpoint

where two lines or planes meet

Lines in a plane that never meet

a line meeting another at a right angle

A point on a line segment that divides it into two equal parts

Intersection

where two lines or planes meet

Parallel

Lines in a plane that never meet