# Study sets matching "chapter 8 math geometry"

Study sets

Diagrams

Classes

Users

Geometry

Point

Line

Plane

the study of shapes formed by points in a plane or space

a location in space with no length, width, or thickness

a set of points along a straight path with no endpoints

a flat surface that extends endlessly in all directions

Geometry

the study of shapes formed by points in a plane or space

Point

a location in space with no length, width, or thickness

Area

Compose

Cone

Cube

The area of a figure is the number of square units it encloses.

To compose two geometric figures, you join them together to ma…

A cone is a three-dimensional figure with one circular base an…

A cube is a rectangular prism whose faces are all squares.

Area

The area of a figure is the number of square units it encloses.

Compose

To compose two geometric figures, you join them together to ma…

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Point

Line

Plane

Collinear

A point is a location with no size or shape.

A line is made up of points with no thickness or width.

A plane is flat surface made up of points and extends indefini…

Points that lie on the same line.

Point

A point is a location with no size or shape.

Line

A line is made up of points with no thickness or width.

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…

Parallel Lines

Perpendicular Lines

Line Segment

Bisect

Lines that are always the same distance apart. They do not int…

Two lines that intersect to form right angles

A part of a line with two endpoints

To divide into two equal parts

Parallel Lines

Lines that are always the same distance apart. They do not int…

Perpendicular Lines

Two lines that intersect to form right angles

acute triangle

equilateral triangle

isosceles triangle

right triangle

A triangle with all 3 angles being acute, each measuring less…

A triangle with all 3 sides of equal length.

A triangle with 2 sides of equal length.

A triangle with 1 right angle.

acute triangle

A triangle with all 3 angles being acute, each measuring less…

equilateral triangle

A triangle with all 3 sides of equal length.

acute angle

adjacent angles

adjacent sides

congruent

An angle measuring greater than 0 degrees and less than 90 deg…

Two angles are adjacent when they have a common side and a com…

Two of the sides that meet at a vertex of a polygon.

Same size and same shape.

acute angle

An angle measuring greater than 0 degrees and less than 90 deg…

adjacent angles

Two angles are adjacent when they have a common side and a com…

perimeter

area

square units

height of a triangle

The sum of the lengths of the sides of a polygon.

A measure of the space covered by a two-dimensional region.

The fundamental region used to tessellate a region in order to…

The length of an altitude of a triangle.

perimeter

The sum of the lengths of the sides of a polygon.

area

A measure of the space covered by a two-dimensional region.

concave

convex

isosceles trapezoid

kite

A polygon where part of the diagonal is in the exterior

A polygon where the entire diagonal is in the interior

Trapezoid where the legs are congruent

Quadrilateral with exactly two pairs of consecutive sides

concave

A polygon where part of the diagonal is in the exterior

convex

A polygon where the entire diagonal is in the interior

corresponding parts of similar polygons

corresponding lengths in similar polygo…

perimeters of similar polygons

areas of similar polygons

a similarity transformation preserves angle measure. It also e…

if two polygons are similar, then the ratio of any two corresp…

if two polygons are similar, then the ratio of their perimeter…

if two polygons are similar, then the ratio of their areas is…

corresponding parts of similar polygons

a similarity transformation preserves angle measure. It also e…

corresponding lengths in similar polygo…

if two polygons are similar, then the ratio of any two corresp…

A right triangle where the length of th…

A right triangle where the length of th…

The angle formed by a horizontal line a…

The angle formed by a horizontal line a…

30-60-90 Triangle

45-45-90 Triangle

Angle of Depression

Angle of Elevation

A right triangle where the length of th…

30-60-90 Triangle

A right triangle where the length of th…

45-45-90 Triangle

base angle

bases

consecutive

diagonals

each trapezoid has two pairs of ______

parallel sides of a trapezoid

sides of a polygon that share a vertex

a segment joining two non consecutive vertices of a polygon

base angle

each trapezoid has two pairs of ______

bases

parallel sides of a trapezoid

Quadratic formula

altitude of a tight triangle to a hypot…

Geometric mean beetween 2 numbers=

c^2 > A^2 + B^2

divide the triangle into 3 congruent triangles

Product of 2 numbers then square root it

Obtuse

Quadratic formula

altitude of a tight triangle to a hypot…

divide the triangle into 3 congruent triangles

Point

Line

Segment

Ray

A location in space with no size.

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

Has two endpoints and all the points of the line between the e…

Consists of one endpoint and all the points of a line on one s…

Point

A location in space with no size.

Line

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

ray

point

line

plane

a part of a line that starts at one endpoint and extends forev…

an exact location in a place

no endpoint, extends forever

a flat surface that extends without end in all directions

ray

a part of a line that starts at one endpoint and extends forev…

point

an exact location in a place

line

ray

segment

plane

a series of points that extend in opposite directions without…

a part of a line with one endpoint and all points of the line…

a part of a line with two endpoints and all points in between.

a flat surface that extends indefinitely in all directions and…

line

a series of points that extend in opposite directions without…

ray

a part of a line with one endpoint and all points of the line…

Geometric mean

Pythagorean triple

Trigonometry

Trigonometric ratio

The positive square root of the product of 2 numbers

A set of three nonzero whole numbers a,b, and c such that sum…

Invovles triangle measure

the ratio of the length of two sides of a right triangle

Geometric mean

The positive square root of the product of 2 numbers

Pythagorean triple

A set of three nonzero whole numbers a,b, and c such that sum…

point

line

segment

ray

a location in space... has no size... named with a captial letter

series of points that extends in two opposite directions witho…

consists of two endpoints and all the points in the line betwe…

consists of one endpoint and all the points on the line on one…

point

a location in space... has no size... named with a captial letter

line

series of points that extends in two opposite directions witho…

A parallelogram is a quadrilateral in w…

A diagonal divides a parallelogram into…

Opposite sides of a parallelogram are...

Opposite angles of a parallelogram are.…

two pairs of opposite sides are parallel.

two congruent triangles.

congruent.

congruent.

A parallelogram is a quadrilateral in w…

two pairs of opposite sides are parallel.

A diagonal divides a parallelogram into…

two congruent triangles.

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Characteristics of a PARALLELOGRAM

Characteristics of a RHOMBUS

Characteristics of a RECTANGLE

Characteristics of a SQUARE

- Opp. sides are II... *Opp. sides are ≅... *Consec. angles are supp…

- It's a parallelogram... - All 4 sides are ≅... *Diagonals are ⟂, b…

- It's a parallelogram... - All 4 angles are RIGHT angles... *Diagon…

- It's a parallelogram, rhombus, AND rectangle... *Therefore, dia…

Characteristics of a PARALLELOGRAM

- Opp. sides are II... *Opp. sides are ≅... *Consec. angles are supp…

Characteristics of a RHOMBUS

- It's a parallelogram... - All 4 sides are ≅... *Diagonals are ⟂, b…

Area of a parallelogram

Area's of other figures

Area of a triangle

Area of a circle

Base Times Height

(Base one + Base two) Times Height Divided by 2

Base Times Height Divided by two

3.14 times Radius squared

Area of a parallelogram

Base Times Height

Area's of other figures

(Base one + Base two) Times Height Divided by 2

A right triangle where the length of th…

A right triangle where the length of th…

The angle formed by a horizontal line a…

The angle formed by a horizontal line a…

30-60-90 Triangle

45-45-90 Triangle

Angle of Depression

Angle of Elevation

A right triangle where the length of th…

30-60-90 Triangle

A right triangle where the length of th…

45-45-90 Triangle

complimentary angle

supplimentary angles

what is the sum of the interior angles…

how do you prove a triangle is isosceles

Two angles that add up to 90 degrees

angles whose measures add up to 180 degrees

180°

measure all three sides then state that because two sides are…

complimentary angle

Two angles that add up to 90 degrees

supplimentary angles

angles whose measures add up to 180 degrees