Sin(a)

Opposite leg

hypotenuse

Cos(a)

adjacent leg

hypotenuse

Tan (a)

opposite leg

adjacent leg

Square

A=s²

rectangle

 A=lw 

or

A=bh

parallelogram

A=bh

trapezoid

A=1/2 h (b₁ + b₂ )

rhombus

A=1/2 d₁d₂

or 

A=bh

triangle

A=1/2bh

regular polygon

A=1/2 Pa

circle

A=π r²

Sector of a circle

A= N/360 x π r²

pythagorean theorem

a² + b² = c²

Quadratice formula

x= -b ±√b²-4ac

2

Cube

V=s³

rectangular prism

V=lwh

prism

V=Bh

cylinder

V=π r³h

pryamid

V= 1/3 Bh

cone

V= 1/3 π r²h

sphere

V= 4/3 π r³

SA

prism

T= Ph+2B

SA

cylinder

T= 2π rh+2π r²

SA

pyramid

T=1/2 Pl + B

SA

cone

T= πrl + πr²

SA

sphere

T=4π r²