# Study sets matching "geometry vocab"

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Point

Line

Plane

Segment

Names a location and has no size.

A straight path that has no thickness and extends forever.

Is a flat surface that has no thickness and extends forever.

Is the part of a line consisting of two points and all points…

Point

Names a location and has no size.

Line

A straight path that has no thickness and extends forever.

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…

Noncolinear

Coplanar

Noncoplanar

Bisector

Points that do not lie on the same line

Points that lie on the same plane

Points that do not lie in the same plane

A line or line segment that cuts a shape or angle into two equ…

Noncolinear

Points that do not lie on the same line

Coplanar

Points that lie on the same plane

Line

Line segment

Ray

Parallel line

Long straight thin mark that extends in both directions and ne…

A Line that ends on both sides

A part of a line that has only one endpoint

Lines that never intersect or cross each other

Line

Long straight thin mark that extends in both directions and ne…

Line segment

A Line that ends on both sides

congruent triangles

vertical angles

complementary angles

supplementary angles

When two triangles are congruent they will have exactly the sa…

each of the pairs of opposite angles made by two intersecting…

either of two angles whose sum is 90°.

either of two angles whose sum is 180°.

congruent triangles

When two triangles are congruent they will have exactly the sa…

vertical angles

each of the pairs of opposite angles made by two intersecting…

point

line

ray

line segment

a fixed location in space

a figure made up of points that extend forever in both directi…

a figure that has one endpoint and extends forever in the othe…

a piece of a line marked by two endpoints

point

a fixed location in space

line

a figure made up of points that extend forever in both directi…

radius (regular polygon)

polygon

remote interior angles

linear scale factor

a line segment that connects the center of a regular polygon w…

a two-dimensional closed figure of three or more line segments…

when a triangle has an exterior angles, these angles are the t…

the ratio of similarity. the ratio of any pair of correspondin…

radius (regular polygon)

a line segment that connects the center of a regular polygon w…

polygon

a two-dimensional closed figure of three or more line segments…

point

line

plane

line segment

a location represented by a small dot

a series of points that extends in two opposite directions wit…

a flat surface that has no thickness, contains many lines and…

a part of a line consisting of two points called endpoints.

point

a location represented by a small dot

line

a series of points that extends in two opposite directions wit…

arc length

arc measure

center

central angle

the length of an arc; how far from one point on a circle to an…

the measure in degrees of an arc's central angle

a fixed point from which all points on the circle are equidist…

an angle with its vertex at the center of a circle or polygon

arc length

the length of an arc; how far from one point on a circle to an…

arc measure

the measure in degrees of an arc's central angle

conjecture

counterexample

deductive reasoning

inductive reasoning

a statement you believe to be true based on inductive reasoning

a drawing, statement, or number that shows that a conjecture i…

the process of using logic to draw conclusions from given fact…

the process of reasoning that a rule or statement is true beca…

conjecture

a statement you believe to be true based on inductive reasoning

counterexample

a drawing, statement, or number that shows that a conjecture i…

acute angle

corresponding angle

Cylinder

Diameter

An angle measuring less than 90º.

Angles of separate figures that are in the SAME position withi…

A solid figure with a pair of circular, parallel bases and a r…

The length across a circle, passing through the center of the…

acute angle

An angle measuring less than 90º.

corresponding angle

Angles of separate figures that are in the SAME position withi…

arc length

arc measure

center

central angle

the length of an arc

the measure in degrees of an arc's central angle

a fixed point from which all points on the circle are equidist…

an angle with its vertex at the center of a circle or polygon

arc length

the length of an arc

arc measure

the measure in degrees of an arc's central angle

alternate interior angles

conjecture

line

proof by contradiction

inside the parallel lines, opposite sides of the transversal

An educated guess

A straight, unbroken set of points that goes on forever. It ha…

a form of proof that establishes the truth or validity of a pr…

alternate interior angles

inside the parallel lines, opposite sides of the transversal

conjecture

An educated guess

Area

Perimeter

Area vs perimeter

Trapezoid

Area is the number of square units enclosed by the two dimensi…

Perimeter is the distance around the outside of a 2D shape.

Area is the number of square units enclosed by the 2D shape.... P…

Two dimensional shape with four sides and one pair of parallel…

Area

Area is the number of square units enclosed by the two dimensi…

Perimeter

Perimeter is the distance around the outside of a 2D shape.

counterexample

postulate

adjacent angles

complementary angles

an example that proves a statement false

an accepted statement of fact

are a pair of angles with a common vertex and a common side, b…

Two angles whose sum is 90 degrees

counterexample

an example that proves a statement false

postulate

an accepted statement of fact

between

congruent segments

construction

undefined term

in the middle, but not necessarily half way

Segments that have the same length (same size and shape)

to use tools to draw an object that is more precise

a word without a formal definition: point, line, and plane

between

in the middle, but not necessarily half way

congruent segments

Segments that have the same length (same size and shape)

angle of depression

angle of elevation

cosine

Pythagorean triple

the angle formed by a horizontal line and the line of site to…

the angle formed by a horizontal line and the line of site to…

a set of nonzero whole numbers a, b, and c that satisfy the Py…

angle of depression

the angle formed by a horizontal line and the line of site to…

angle of elevation

the angle formed by a horizontal line and the line of site to…

acute angles

adjacent angles

area

bisect

an angle with a measure of less than 90 degrees

angles that share a side

the measure of how much space is contained within the interior…

to divide into two equal halves

acute angles

an angle with a measure of less than 90 degrees

adjacent angles

angles that share a side

hexagon

parallel lines

pentagon

endpoint

A polygon with 6 sides.

Lines that are the same distance apart and will never cross or…

A polygon with 5 sides.

A point at the end of a line segment or ray.

hexagon

A polygon with 6 sides.

parallel lines

Lines that are the same distance apart and will never cross or…

acute angle

angle bisector

complementary angles

line

an angle that measures less than 90*

a line or ray that divides an angle in half

2 or more angles that form a 90* angle

a geometric figure formed by two points

acute angle

an angle that measures less than 90*

angle bisector

a line or ray that divides an angle in half

Acute Angle

Adjacent Angles

Base

Complementary Angles

An angle with a measure greater than 0 and less than 90 degree…

Angles that share a common vertex, and share a common side.

In a power, the number used as a factor.

Two angles who's sum is equal to 90 degrees.

Acute Angle

An angle with a measure greater than 0 and less than 90 degree…

Adjacent Angles

Angles that share a common vertex, and share a common side.