How can we help?

You can also find more resources in our Help Center.

32 terms

This is really just for my reference for studying for my math final. If you want to use it, though, fine by me. It lacks, though, sorry. D:

Slope Formula

(y2-y1)/(x2-x1)

Area of a kite

(d1*d2) / 2

Area of a trapezoid

(b1+b2)h/2

Area of a parallelogram

b*h

Area of a triangle

1/2(b*h)

Area of a circle

pi*r (squared)

Area of a square/rectangle

b*h

Sine

opp/hyp

Cosine

adj/hyp

Tangent

opp/adj

Ms. A's clever S/C/T saying

"Some old hippie caught another hippie tripping on acid"

Volume of a cube

b**l**h

Volume of a rectangular prism

b**l**h

Volume of an irregular prism

(area of base)*h

Volume of a cylinder

(pi**r[squared])**h

Volume of a pyramid

(area of base)*h/3

Volume of a cone

(pi**r[squared])**h/3

Volume of a sphere

4/3(pi*r[cubed])

Surface area of a sphere

4(pi*r[squared])

arc

a curved line that is part of the circumference of a circle

chord

a line segment that touches two points on a circle

circumfrence

the distance around the circle

diameter

the longest distance from one side to the other of a circle

origin

the center of the circle.

pi

3.14

radius

distance from center of circle to any point on it

sector

a wedge

tangent

a line perpendicular to the radius that touches ONLY one point on the circle.

(x2-x1)[squared]-(y2-y 1)[squared]([SQUARE ROOT]

distance formula

180(n-2)

interior angle formula

it's always 360

exterior angle formula

180(n-2)/n

each interior angle