#### Study sets matching "vocab geometry flashcards"

#### Study sets matching "vocab geometry flashcards"

Concave Polygon

Consecutive Sides

Consecutive Vertices

Convex Polygon

A polygon with a diagonal that does not lie in the interior of…

The two sides of a polygon that share a vertex.

The two endpoints of any one side of a polygon.

A polygon whose diagonals all lie in the interior the polygon.

Concave Polygon

A polygon with a diagonal that does not lie in the interior of…

Consecutive Sides

The two sides of a polygon that share a vertex.

Midpoint

Segment bisector

Straight angle

Obtuse angle

A point that divides a segment into two congruent segments

A point, line, ray, or segment that divides a segment into two…

Measures 180 degrees

Measures more than 90 degrees and less than 180 degrees

Midpoint

A point that divides a segment into two congruent segments

Segment bisector

A point, line, ray, or segment that divides a segment into two…

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…

alpha

angle

arithmetic sequence

clinometer

a Greek letter often used to represent angle measure. Others u…

formed by two rays joined at a common endpoint

an ordered sequence of mathematical terms in which a constant…

a device used to measure angles of elevation and depression

alpha

a Greek letter often used to represent angle measure. Others u…

angle

formed by two rays joined at a common endpoint

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…

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

Included Angle

Included Side

Legs of a Right Triangle

Hypotenuse

An angle formed by two given sides of a triangle.

A side of a triangle that falls between two given angles.

The sides that form the right angle.

The side opposite the right angle.

Included Angle

An angle formed by two given sides of a triangle.

Included Side

A side of a triangle that falls between two given angles.

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

Plane

Line Segment

Ray

An exact location.

A flat surface that extends without end in all directions.

A portion of a line with two endpoints.

A portion of a line that extends in one direction.

Point

An exact location.

Plane

A flat surface that extends without end in all 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

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…

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…

legs

slope angle

law of sines

inverse tangent

the two sides of a right triangle that form the right angle. t…

the acute angle a line forms with the x-axis on a coordinate g…

used to find measurements in non-right triangles using the sin…

the "undo" of the tangent function

legs

the two sides of a right triangle that form the right angle. t…

slope angle

the acute angle a line forms with the x-axis on a coordinate g…

Obtuse

Acute

Right Angle

Point

An angle that measures more than 90 degrees.

An angle that measures less than 90 degrees.

An angle that measures 90 degrees.

A place in space that is often marked by a letter or number.

Obtuse

An angle that measures more than 90 degrees.

Acute

An angle that measures less than 90 degrees.

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…

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…

alpha

angle

arithmetic sequence

clinometer

a Greek letter often used to represent angle measure. Others u…

formed by two rays joined at a common endpoint

an ordered sequence of mathematical terms in which a constant…

a device used to measure angles of elevation and depression

alpha

a Greek letter often used to represent angle measure. Others u…

angle

formed by two rays joined at a common endpoint

parallel lines

perpendicular lines

intersecting lines

vertex

a pair of lines that are the same distance apart and will neve…

a "special" pair of intersecting lines that cross at a 90 degr…

a pair of lines that cross or will eventually cross

point where two rays meet to create an angle

parallel lines

a pair of lines that are the same distance apart and will neve…

perpendicular lines

a "special" pair of intersecting lines that cross at a 90 degr…

acute angle

angle

area

conjecture

an angle with measure greater than 0 degrees but less than 90…

formed by two rays at a common endpoint; in geometric figures,…

on a flat surface, the number of non-overlapping square units…

an educated guess. often results from noticing a pattern durin…

acute angle

an angle with measure greater than 0 degrees but less than 90…

angle

formed by two rays at a common endpoint; in geometric figures,…

legs

slope angle

law of sines

inverse tangent

the two sides of a right triangle that form the right angle. t…

the acute angle a line forms with the x-axis on a coordinate g…

used to find measurements in non-right triangles using the sin…

the "undo" of the tangent function

legs

the two sides of a right triangle that form the right angle. t…

slope angle

the acute angle a line forms with the x-axis on a coordinate g…

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…

Regular Polygon

Parallelogram

Rectangle

Rhombus

a polygon with all sides and all angles equal

a quadrilateral with both pairs of opposite sides parallel

A parallelogram with four right angles

A parallelogram with four equal sides

Regular Polygon

a polygon with all sides and all angles equal

Parallelogram

a quadrilateral with both pairs of opposite sides parallel