# Study sets matching "geometry vocab avondale geo"

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

Midsegment

Coordinate Proof

Perpendicular Bisector

Equidistant

A segment that connects the midpoints of two sides of a triang…

A proof involving placing geometric figures in a coordinate pl…

A line that is perpendicular to a segment at its midpoint.

Equal distance

Midsegment

A segment that connects the midpoints of two sides of a triang…

Coordinate Proof

A proof involving placing geometric figures in a coordinate pl…

noncollinear

coplanar

noncoplanar

bisector

Points that do not lie on the same line

points that lie on the same plane

points not in the same plane

Something that cuts an object into two equal parts

noncollinear

Points that do not lie on the same line

coplanar

points that lie on the same plane

noncollinear

coplanar

noncoplanar

bisector

Points that do not lie on the same line

points that lie on the same plane

points not in the same plane

Something that cuts an object into two equal parts

noncollinear

Points that do not lie on the same line

coplanar

points that lie on the same plane

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.

Geometry

Euclidean Geometry

Undefined terms

Point

word composed of two Greek terms, "geos" meaning earth and "me…

identifies a geometry which Euclid formalized and which was ad…

terms in Euclidean geometry which mathematicians consider only…

one of the undefined terms; it has only position and has no le…

Geometry

word composed of two Greek terms, "geos" meaning earth and "me…

Euclidean Geometry

identifies a geometry which Euclid formalized and which was ad…

Collinear

Linear Pair

Supplementary angles

Complementary angles

Points that lie on the same line

A pair of adjacent angles whose noncommon sides are opposite r…

Two angles whose sum is 180 degrees

Two angles whose sum is 90 degrees

Collinear

Points that lie on the same line

Linear Pair

A pair of adjacent angles whose noncommon sides are opposite r…

Collinear

Linear Pair

Supplementary angles

Complementary angles

Points that lie on the same line

A pair of adjacent angles whose noncommon sides are opposite r…

Two angles whose sum is 180 degrees

Two angles whose sum is 90 degrees

Collinear

Points that lie on the same line

Linear Pair

A pair of adjacent angles whose noncommon sides are opposite r…

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

conclusion

converse

contrapositive

syllogism

"then" part of a conditional statement

switch the if and then of a conditional (q -> p)

negate and switch the if and then (~q -> ~p)

conclusion

"then" part of a conditional statement

converse

switch the if and then of a conditional (q -> p)

Collinear

Linear Pair

Supplementary angles

Complementary angles

Points that lie on the same line

A pair of adjacent angles whose noncommon sides are opposite r…

Two angles whose sum is 180 degrees

Two angles whose sum is 90 degrees

Collinear

Points that lie on the same line

Linear Pair

A pair of adjacent angles whose noncommon sides are opposite r…

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)

circle

acute triangle

Obtuse triangle

point

A round shape that has no beginning or end

A triangle with 3 acute angles

a triangle with one obtuse angle

a location

circle

A round shape that has no beginning or end

acute triangle

A triangle with 3 acute angles

Line

Collinear points

Coplanar

Segment

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

A set of points that lie on the same line

Points, lines, or segments that lie on the same plane

A part of a line with two endpoints.

Line

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

Collinear points

A set of points that lie on the same line

Point

Line

Line Segment

Plane

Indicates a position or location in space

A collection of points going endlessly in both directions

Part of a line with TWO endpoints

A flat surface going endlessly in all directions

Point

Indicates a position or location in space

Line

A collection of points going endlessly in both directions

Line

Collinear points

Coplanar

Segment

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

A set of points that lie on the same line

Points, lines, or segments that lie on the same plane

A part of a line with two endpoints.

Line

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

Collinear points

A set of points that lie on the same line

Inductive Reasoning

Conjecture

Counter Example

Conditional Statement

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

A statement that is believed to be true

An example that proves a conjecture or statement false

A statement that can be written in the form "if p then q" wher…

Inductive Reasoning

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

Conjecture

A statement that is believed to be true

Alternate Interior Angles

Consecutive Interior Angles

Alternate Exterior Angles

Corresponding Angles

Located on the interior of the lines, on opposite sides of the…

Located on the interior of the lines, on the same side of the…

Located on the exterior of the lines, on opposite sides of the…

Located on the interior and exterior of the lines, on the same…

Alternate Interior Angles

Located on the interior of the lines, on opposite sides of the…

Consecutive Interior Angles

Located on the interior of the lines, on the same side of the…

Point

Line

Plane

Collinear

A point names a location and has no size. It is represented by…

A line is a straight path that has no thickness and extends fo…

A plane is a flat surface that has no thickness and extends fo…

Points that lie on the same line.

Point

A point names a location and has no size. It is represented by…

Line

A line is a straight path that has no thickness and extends fo…

Reflexive Property of Equality

Symmetric Property of Equality

Transitive Property of Equality

Addition Property of Equality

a = a

If a = b... Then b = a

If a = b, and b = c ... Then a = c

If a = b ... Then a + 3 = b + 3

Reflexive Property of Equality

a = a

Symmetric Property of Equality

If a = b... Then b = a

Acute Angle

Adjacent Angles

Angle

Angle Addition Postulate

Angle that measures between 0 and 90 degrees.

Angles which share a side and a vertex.

Is formed by two rays connected with an endpoint.

If S is in the interior of <PQR, then the m<PQS + m<SQR = m<PQ…

Acute Angle

Angle that measures between 0 and 90 degrees.

Adjacent Angles

Angles which share a side and a vertex.