# Study sets matching "formulas pre algebra"

perimeter

area of rectangle

area of triangle

area of circle

sum of the length of all sides (distance around the outside of…

A = bh

A = 1/2 bh

A=πr²

perimeter

sum of the length of all sides (distance around the outside of…

area of rectangle

A = bh

perimeter

area of rectangle

area of triangle

area of circle

sum of the length of all sides (distance around the outside of…

A = bh

A = 1/2 bh

A=πr²

perimeter

sum of the length of all sides (distance around the outside of…

area of rectangle

A = bh

Area of a Triangle

Area of a Rectangle

Area of a Trapezoid

Area of a Parallelogram

1/2 bh... 1/2 x base x Height

lw... length x width

1/2 (b1+b2)h... 1/2 x sum of bases x height

bh... base x height

Area of a Triangle

1/2 bh... 1/2 x base x Height

Area of a Rectangle

lw... length x width

Area of a Square

Area of a rectangle

Area of an Parallelogram

Area of an Triangle

A=a2... a Side

A=wl ... l=Length ... w=Width

A=bh... b = Base ... h = Height

A=hbb/2... b=Base ... hb=Height

Area of a Square

A=a2... a Side

Area of a rectangle

A=wl ... l=Length ... w=Width

formula for midpoint

formula for distance

Pythagorean Theorem

monomial

( average of x values , average of y values )

The square root of ( x2-x1)squared + (y2-y1)squared

a squared + b squared = c squared

a single term in which any exponent for a variable must be a p…

formula for midpoint

( average of x values , average of y values )

formula for distance

The square root of ( x2-x1)squared + (y2-y1)squared

volume for a cube?

What is the TSA for a cube?:

What is the volume for a rectangular pr…

What is the TSA for a rectangular prism…

S³

6(s)²

(L)(W)(H)

2(L)(H) + 2(H)(W) + 2(L)(W)

volume for a cube?

S³

What is the TSA for a cube?:

6(s)²

Percent of Change

Percent Error

Percent Proportion

Markup & Discount

amount of change ... ———————————... original amount

amount of error... —————————- x 100... actual value

is (or part)... --... of (or whole)

% × Whole... Example of Markup: ... Let m represent the amount of t…

Percent of Change

amount of change ... ———————————... original amount

Percent Error

amount of error... —————————- x 100... actual value