# Study sets matching "vocabulary and formulas chapter 8"

Circumference

Diameter

Radius

Area of a Circle

The distance around a circle; the "perimeter" of a circle.... C…

The distance across a circle through its center.

The distance from the center of a circle to the outside edge o…

A=πr²

Circumference

The distance around a circle; the "perimeter" of a circle.... C…

Diameter

The distance across a circle through its center.

Formula(s) used to find the surface are…

Formula(s) used to find the surface are…

Formula(s) used to find the volume of a…

Formula(s) used to find the surface are…

A=length x width

A= length x width, A= base x height divided by 2

V = length x width x height

A= length x width, A= base x height divided by 2

Formula(s) used to find the surface are…

A=length x width

Formula(s) used to find the surface are…

A= length x width, A= base x height divided by 2

Pythagorean Theorem

Pythagorean Triple

45-45-90

30-60-90

Right- a2+b2=c2... Acute- a2+b2>c2... Obtuse- a2+b2<c2

Hyp=leg(square root of 2)

Hyp=2(short leg)

Pythagorean Theorem

Pythagorean Triple

Right- a2+b2=c2... Acute- a2+b2>c2... Obtuse- a2+b2<c2

One sample z interval for proportions

Finding z*

Choosing sample size for proportions

One sample z interval for means

2nd VARS 3:invnorm((1-C)/2, 0, 1)

n >= p(1-p)/(ME/z*)^2

One sample z interval for proportions

Finding z*

2nd VARS 3:invnorm((1-C)/2, 0, 1)

Pythagorean theorem

Formula for an acute triangle

Formula for an obtuse triangle

Pythagorean triple

Set of nonzero whole numbers that fulfill the Pythagorean form…

Pythagorean theorem

Formula for an acute triangle

Area of a Rectangle

Volume of a Rectangular Prism

Surface Area of a Rectangular Prism

Area of a Triangle

lw

lwh

2B+Ph OR Front& back+ Top& bottom+ Sides

1/2 Bh

Area of a Rectangle

lw

Volume of a Rectangular Prism

lwh

Speed

Average Speed

Velocity

Slope

Speed = Distance/time

Example: the car is traveling 80 miles/hour

Includes direction besides distance and time traveled. The tri…

Slope = Rise/Run

Speed

Speed = Distance/time

Average Speed

Example: the car is traveling 80 miles/hour

Formula for Circumference

Formula for Area of a Circle

Formula for a Triangle

Volume of a rectangle

πd or 2πr

πr² (written in units squared)

½bh

bh or lwh

Formula for Circumference

πd or 2πr

Formula for Area of a Circle

πr² (written in units squared)

Circumference

Diameter

Radius

Area of a Circle

distance around the outside of the circle

d=2r... distance from one side of the circle to the other(going t…

d=2r OR r=d/2... distance from the outside of the circle to center

Circumference

distance around the outside of the circle

Diameter

d=2r... distance from one side of the circle to the other(going t…

Diameter

Radius

Circle

Center

The distance across a circle through its center

The distance from the center to any point on the circle

The set of all points in a plane that are the same distance fr…

Point in a circle from which all other points are equidistant.

Diameter

The distance across a circle through its center

Radius

The distance from the center to any point on the circle

Circle

Center

Radius

Diameter

The set of all points in a plane that are the same direction f…

Where all points in a plane (circle), that are the same distan…

The distance from the center to any point on the circle

The distance across the circle through the center

Circle

The set of all points in a plane that are the same direction f…

Center

Where all points in a plane (circle), that are the same distan…

Torque Definition

Unit of Torque

First Law of Torque

Lever Arm

The length of the position vector times the magnitude of the f…

Newton-meter (N•m)

The rate of rotation of an object doesn't change, unless the o…

The quantity d = the position vector times sine of theta.

Torque Definition

The length of the position vector times the magnitude of the f…

Unit of Torque

Newton-meter (N•m)

Perimeter

Circumference of a Circle

Area

Center

add all the sides

C = pi x diameter

a measure of the surface covered by a figure, measured in squa…

the point inside a circle that is the same distance from all t…

Perimeter

add all the sides

Circumference of a Circle

C = pi x diameter

Cylinder

Lateral surface

Sphere

Plane

A solid with a curved surface and two parallel bases that are…

The curved surface of a cone or cylinder or the nonbase surfac…

A solid figure whose every point is the same distance from its…

A flat surface that extends infinitely in two dimensions.

Cylinder

A solid with a curved surface and two parallel bases that are…

Lateral surface

The curved surface of a cone or cylinder or the nonbase surfac…

Side

Diagonal

concave polygon

convex polygon

segment that connects 2 consecutive vertices

segment that connects 2 non-consecutive vertices

Side

segment that connects 2 consecutive vertices

Diagonal

segment that connects 2 non-consecutive vertices