#### Study sets matching "geometry 8"

#### Study sets matching "geometry 8"

Perimeter

Area

Perimeter - Square

Area - Square

The sum of the lengths of the sides of a polygon. (P)

The number of square units a polygon encloses. (A)

Side length is s, P=4s

Side length is s, A=s²

Perimeter

The sum of the lengths of the sides of a polygon. (P)

Area

The number of square units a polygon encloses. (A)

line and plane are perpendicular

Basic thm on perpendiculars

through a given point of a given line…

Perpendicular bisecting plane thm

if they intersect and every line in the plane is perpendicula…

if a line is perpendicular to each of two intersecting lines…

Perpendicular bisecting plane is set of all points equivalent…

line and plane are perpendicular

if they intersect and every line in the plane is perpendicula…

Basic thm on perpendiculars

if a line is perpendicular to each of two intersecting lines…

Ratio of a to b

Proportion

Extremes

Means

If a and b are to quantities that are measured in the same un…

An equation that equates two ratios.

In proportion a/b=c/d, they are a and d.

In proportion a/b=c/d, they are b and c.

Ratio of a to b

If a and b are to quantities that are measured in the same un…

Proportion

An equation that equates two ratios.

radius (regular polygon)

polygon

remote interior angles

linear scale factor

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

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

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

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

radius (regular polygon)

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

polygon

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

SLOPE.... Define.

RATE OF CHANGE... What is a synonym for r…

SLOPE-INTERCEPT FORM... What is the equat…

POINT-SLOPE FORM... What is the equation…

The steepness of a graph line; the ratio of the vertical chan…

slope

SLOPE.... Define.

The steepness of a graph line; the ratio of the vertical chan…

RATE OF CHANGE... What is a synonym for r…

slope

base of a geometric solid

cone

cube

cylinder

a face of a three dimensional figure by which the figure is m…

a geometric solid formed by a circular base and a curved surf…

a rectangular prism with six congruent square faces

a geometric solid formed by two congruent, circular bases and…

base of a geometric solid

a face of a three dimensional figure by which the figure is m…

cone

a geometric solid formed by a circular base and a curved surf…

Angle

Ray

Complementary Angles

Supplementary Angles

The union of two rays with a common endpoint called the vertex.

Part of a line with one endpoint. It extends indefinitely in…

The sum of two angles is 90 degrees.

The sum of two angles is 180 degrees.

Angle

The union of two rays with a common endpoint called the vertex.

Ray

Part of a line with one endpoint. It extends indefinitely in…

radius (regular polygon)

polygon

remote interior angles

linear scale factor

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

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

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

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

radius (regular polygon)

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

polygon

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

reflection

line of reflection

pre image

image

A transformation that "flips" a figure over a mirror or line.

A line that a figure is flipped across to create a mirror ima…

The original geometric figure

figure after a reflection

reflection

A transformation that "flips" a figure over a mirror or line.

line of reflection

A line that a figure is flipped across to create a mirror ima…

Diagonal

Endpoint

Midpoint

Distance formula

A line segment that connects two nonconsecutive vertices of a…

A point at the end of a ray, either end of a line segment, or…

The point halfway between the endpoints of a line segment

The formula that gives the distance between two points on a c…

Diagonal

A line segment that connects two nonconsecutive vertices of a…

Endpoint

A point at the end of a ray, either end of a line segment, or…

Geometric Mean

Triangle Hypotenuse Altitude Theorem

Geometric Mean (Altitude) Theorem

Geometric Mean (Leg) Theorem

The positive root of the product of two numbers

If the altitude is drawn to the hypotenuse of a right triangl…

The altitude drawn to the hypotenuse of a right triangle sepa…

The altitude drawn to the hypotenuse of a right triangle sepa…

Geometric Mean

The positive root of the product of two numbers

Triangle Hypotenuse Altitude Theorem

If the altitude is drawn to the hypotenuse of a right triangl…

pythagorean theorem

pythagorean triple

3, 4, 5 and 5, 12, 13

converse of the pythagorean theorem

in a right triangle, the length of the ypotenuse is equal to…

a set of three positive integers a, b, and c that satisfy the…

examples of pythagorean triples

if th square of the length of the longest side of the triangl…

pythagorean theorem

in a right triangle, the length of the ypotenuse is equal to…

pythagorean triple

a set of three positive integers a, b, and c that satisfy the…

altitude of a triangle

centroid of a triangle

circumcenter of a triangle

circumscribed circle

a perpendicular segment from a vertex to the line containing…

the point of concurrency of the three medians of a triangle;…

the point of concurrency of the three perpendicular bisectors…

every vertex of the polygon lies on the circle

altitude of a triangle

a perpendicular segment from a vertex to the line containing…

centroid of a triangle

the point of concurrency of the three medians of a triangle;…

Transformation

Translation

Reflection

Dilation

The movement of a geometric figure

A slide of the figure

A transformation that "flips" a figure over a mirror or refle…

A transformation that changes the size of an object, but not…

Transformation

The movement of a geometric figure

Translation

A slide of the figure

space

solid

isometric drawing

net

An undefined term thought of as the set of all points. Space…

A three-dimensional geometric figure that completely encloses…

A drawing of three-dimensional object that shows three faces…

A two-dimensional pattern that can be folded to form a three-…

space

An undefined term thought of as the set of all points. Space…

solid

A three-dimensional geometric figure that completely encloses…

equal

nonzero

largest

pythagorean thm:... in a right triangle, the sum of the squares…

pythagorean triple: a set of _____... numbers that satisfy the e…

to simplify (or reduce) a radical:... 1. find the ______ perfect…

equal

pythagorean thm:... in a right triangle, the sum of the squares…

nonzero

pythagorean triple: a set of _____... numbers that satisfy the e…

Proportion

proportion 1

proportion 2

proportion 3

setting 2 fractions equal to eachother

setting cross products equal to eachother

rearranging or flipping the fraction and then setting them eq…

making the numerators a fraction and the denominators a fract…

Proportion

setting 2 fractions equal to eachother

proportion 1

setting cross products equal to eachother

point

line

line segment

ray

an exact location in space

A set of points that goes on forever in both directions.

Part of a line that has two endpoints.

part of a line that has an endpoint and extends forever in on…

point

an exact location in space

line

A set of points that goes on forever in both directions.

median of a triangle

altitude of a triangle

perpendicular bisector

angle bisector

a segment whose endpoints are a vertex and the midpoint of th…

A perpendicular segment from a vertex to the line containing…

a segment, ray, line, or plane that is perpendicular to a seg…

a ray that divides an angle into two congruent angles

median of a triangle

a segment whose endpoints are a vertex and the midpoint of th…

altitude of a triangle

A perpendicular segment from a vertex to the line containing…

Space

Cone

Cylinder

Pyramid with a square base

the set of all points. Cannot be contained in a flat surface…

Has a circular base and sides that rise to a point.

Has 2 circular bases.

A square base that has sides that meet at a point.

Space

the set of all points. Cannot be contained in a flat surface…

Cone

Has a circular base and sides that rise to a point.