# Study sets matching "vocab geometry 3"

alternate exterior angles

alternate interior angles

corresponding angles

parallel lines

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

nonadjacent interior angles that lie on opposite sides of the…

Angles that lie on the same side of the transversal and in cor…

lines in a plane that do not intersect

alternate exterior angles

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

alternate interior angles

nonadjacent interior angles that lie on opposite sides of the…

Parallel Lines

Skew Lines

Corresponding Angles

Alternate Interior Angles

Lines that do not intersect and that lie in the same plane.

Lines that do not intersect and that do not line in the same p…

Parallel Lines

Lines that do not intersect and that lie in the same plane.

Skew Lines

Lines that do not intersect and that do not line in the same p…

angle

interior of an angle

exterior of an angle

acute angle

a figure formed by two rays with a common endpoint called the…

the set of all points between the sides of the angle

the set of all points outside the angle

an angle that measures greater than 0 degrees and less than 90…

angle

a figure formed by two rays with a common endpoint called the…

interior of an angle

the set of all points between the sides of the angle

angle-angle similarity

angle

congruent

corresponding sides

if two angles of one triangle are congruent to two correspondi…

in geometric figures, usually formed by two segments with a co…

exactly the same shape and size

sides in two or more figures that are images of each other wit…

angle-angle similarity

if two angles of one triangle are congruent to two correspondi…

angle

in geometric figures, usually formed by two segments with a co…

Counterexample

Good Definition has

Parallel Lines

Perpendicular Lines

something that would fit your definition, but is not what you…

classification, differentiation, and can be tested.

exist in the same plane that never meet. We use II to represen…

must meet at a 90° angle. We use ⊥ to represent it.

Counterexample

something that would fit your definition, but is not what you…

Good Definition has

classification, differentiation, and can be tested.

similarity

dilation

point of dilation / stretch point

scale factor / zoom factor

-same shape, but not necessarily the same size... -angles are con…

-a transformation where a point on a figure is stretched propo…

-the point of a figure that is stretched to form a dilation of…

-the number a side is multiplied by to make a bigger or smalle…

similarity

-same shape, but not necessarily the same size... -angles are con…

dilation

-a transformation where a point on a figure is stretched propo…

alternate exterior angles

alternate interior angles

corresponding angles

distance from a point to a line

the length of the perpendicular segment from the point to the…

alternate exterior angles

alternate interior angles

acute

right

obtuse

straight

_______ angles measure between 0-90 degrees

______ angles measure exactly 90 degrees

______ angles measure between 90 and 180 degrees

______ angles measures exactly 180 degrees

acute

_______ angles measure between 0-90 degrees

right

______ angles measure exactly 90 degrees

angle-angle similarity

angle

congruent

corresponding sides

if two angles of one triangle are congruent to two correspondi…

in geometric figures, usually formed by two segments with a co…

exactly the same shape and size

sides in two or more figures that are images of each other wit…

angle-angle similarity

if two angles of one triangle are congruent to two correspondi…

angle

in geometric figures, usually formed by two segments with a co…

Parallel Lines

Perpendicular lines

Skew lines

Parallel Planes

Coplanar lines that do not intersect.... Their equations have the…

Lines that intersect at 90 degree angles.... Their slopes have a…

Lines that are not coplanar, not parallel and do not intersect.

Planes that do not intersect

Parallel Lines

Coplanar lines that do not intersect.... Their equations have the…

Perpendicular lines

Lines that intersect at 90 degree angles.... Their slopes have a…

parallel lines

skew lines

parallel planes

transversal

lines in the same plane that never intersect

do not intersect and do not lie on the same plane

planes that do not intersect

a line that intersects two or more lines

parallel lines

lines in the same plane that never intersect

skew lines

do not intersect and do not lie on the same plane

coordinate

distance

congruent

congruent segments

The real number that corresponds to a point

between A and B is the absolute value of the difference of the…

equal measure, ≈

When two numerical expressions have the same value, you say th…

coordinate

The real number that corresponds to a point

distance

between A and B is the absolute value of the difference of the…

parallel lines

skew lines

transversal

alternate interior angles

Lines which lie in the same plane and do not intersect.

Lines which do not lie in the same plane.

A line that intersects 2 or more lines.

Non-adjacent angles that lie on the opposite sides of a transv…

parallel lines

Lines which lie in the same plane and do not intersect.

skew lines

Lines which do not lie in the same plane.

Acute Triangle

Base of an Isosceles Triangle

Base Angles of an Isosceles Triangle

Congruent Triangles

A triangle that has three acute interior angles.

The side of an isosceles triangle that is not congruent to eit…

The congruent angles in an isosceles triangle.

Triangles that have all corresponding sides and angles congrue…

Acute Triangle

A triangle that has three acute interior angles.

Base of an Isosceles Triangle

The side of an isosceles triangle that is not congruent to eit…

Transversal

Interior

Exterior

Alternate Interior Angles

A line, ray, or segment that intersects two or more coplanar l…

Area between the lines

Area outside the lines

Angles 2 and 7... Or... Angles 3 and 6

Transversal

A line, ray, or segment that intersects two or more coplanar l…

Interior

Area between the lines

Alternate interior angles

Alternate exterior angles

Consecutive interior angles

Corresponding angles

In the figure,transversal t intersects lines p and q. What are…

What are angles1 & 2

Alternate interior angles

In the figure,transversal t intersects lines p and q. What are…

Alternate exterior angles

What are angles1 & 2

Acute angle

Angle

congruent angles

Measure of an angle

an angle that measures between 0 and 90 degrees

A figure formed by two rays with a common endpoint

angles that have the same measure

The number of degrees of an angle . Shown by the notations m∠A…

Acute angle

an angle that measures between 0 and 90 degrees

Angle

A figure formed by two rays with a common endpoint

parallel lines

perpendicular lines

skew lines

perpendicular bisector

lines which are coplanar and do not intersect

lines which intersect at 90˚ angles

lines which are not coplanar

a line perpendicular to a segment at the segment's midpoint

parallel lines

lines which are coplanar and do not intersect

perpendicular lines

lines which intersect at 90˚ angles

Parallel lines

Skew lines

Parallel planes

Transversal

Coplanar lines that do not intersect

Lines that do not intersect and are not coplanar

Planes that do not intersect

A line that intersects two or more coplanar lines at two diffe…

Parallel lines

Coplanar lines that do not intersect

Skew lines

Lines that do not intersect and are not coplanar

Parallel Lines

Skew Lines

Parallel Planes

Perpendicular Lines

Lines that do not intersect and are coplanar. Lines that are e…

Lines that do not intersect and are not coplanar.

Planes that do not intersect

Lines that intersect at a 90 degree angle

Parallel Lines

Lines that do not intersect and are coplanar. Lines that are e…

Skew Lines

Lines that do not intersect and are not coplanar.

Parallel Lines

Perpendicular Lines

Supplementary

Complementary

Two coplanar lines that do not intersect

Two lines that intersect at 90 degrees

Two angles whose sum is 180

Two angles whose sum is 90

Parallel Lines

Two coplanar lines that do not intersect

Perpendicular Lines

Two lines that intersect at 90 degrees

parallel lines

skew lines

corresponding angles

alternate interior angles

Coplanar lines that do not intersect

Non-coplanar lines that do not intersect

congruent angles in corresponding positions of parallel lines…

congruent angles that lie between parallel lines and are locat…

parallel lines

Coplanar lines that do not intersect

skew lines

Non-coplanar lines that do not intersect

Polygon

Equilateral Polygon

Equiangular Polygon

Regular Polygon

A closed plane figure where the edges are not curved and each…

A polygon with all congruent sides.

A polygon with all congruent angles.

A polygon that is both equilateral and equiangular.

Polygon

A closed plane figure where the edges are not curved and each…

Equilateral Polygon

A polygon with all congruent sides.

Angle Bisector of a Triangle

Perpendicular Bisector of a Triangle

Median of a Triangle

Centroid

Connects a vertex to the opposite side of the triangle and div…

Divides a side of the triangle into 2 congruent parts and form…

Connects a vertex to the midpoint of the opposite side of the…

The point of concurrency (the point of intersection) of the me…

Angle Bisector of a Triangle

Connects a vertex to the opposite side of the triangle and div…

Perpendicular Bisector of a Triangle

Divides a side of the triangle into 2 congruent parts and form…

Parallel Lines

Skew Lines

Transversal

Interior Angles

Two lines in the same plane that do not intersect

Two lines in different planes that do not intersect

A line that intersects two or more coplanar lines

Angles that lie in the region between the two lines

Parallel Lines

Two lines in the same plane that do not intersect

Skew Lines

Two lines in different planes that do not intersect