# Study sets matching "lines geometry angles"

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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…

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

Skew Lines

Parallel lines

coincident lines

transversal

parallel two lines that do not intersect and are not coplanar

Two lines that do not intersect and are coplanar

two lines that are on top of each other and do not intersect

"a line that intersects two or more coplanar lines at differen…

Skew Lines

parallel two lines that do not intersect and are not coplanar

Parallel lines

Two lines that do not intersect and are coplanar

Acute Angle

Angle

Point

Line

An angle less than a right angle. (less than 90 degrees)

formed by two rays or line segments that have the same endpoint

an exact location in space

a straight path of points that continues without end in both d…

Acute Angle

An angle less than a right angle. (less than 90 degrees)

Angle

formed by two rays or line segments that have the same endpoint

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

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

acute angle

right angle

obtuse angle

adjacent 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 that share a common side and have the same vertex

acute angle

an angle that measures less than 90 degrees

right angle

an angle that measures 90 degrees

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…

Perpendicular Lines

Parallel Lines

Skew Lines

Acute Angle

Lines that intersect and form 4 right angles.

lines in the same plane that never intersect

do not intersect and do not lie on the same plane

an angle that measures less than 90 degrees

Perpendicular Lines

Lines that intersect and form 4 right angles.

Parallel Lines

lines in the same plane that never intersect

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

parallel

perpendicular

transversal

interior angles

lines that do NOT intersect

lines that cross and form 90 degree angles

line that intersects 2 or more parallel lines

lines INSIDE the transversal

parallel

lines that do NOT intersect

perpendicular

lines that cross and form 90 degree angles

quadrilateral

trapezoid

parallelogram

rectangle

4 sided polygon

quadrilateral with one pair of parallel sides.

4 sided polygon where opposite sides are parallel and equal

parallelogram with four 90 degree angles

quadrilateral

4 sided polygon

trapezoid

quadrilateral with one pair of parallel sides.