SAT Math Formulas

Area of a Circle

A=πr²

Circumference of a Circle

C=2πr or C=πd

Area of Rectangle

A=bh

Area of a Triangle

A=1/2bh

Pythagorean Theorem

a²+b²=c²

Volume of a Rectangular Solid

V=lwh

Volume of a Cylinder

V=πr²h

Volume of a Sphere

V=(4/3)πr³

Volume of a Cone

v=1/3πr³h

Volume of a Pyramid

V=(1/3)lwh

Slope Formula

Midpoint Formula

Distance Formula

Quadratic Formula

Length of an Arc

Length of an Arc Sector

mean

sum of terms/ number of different terms

median

the middle value

mode

number that shows up most frequently

range

highest value-lowest value

sine

opposite/hypotenuse

cosine

adjacent/hypotenuse

tangent

opposite/adjacent

Pythagorean Theorem Triples

Circle Formula

(x-h)²+(y-k)²=r² [(h,k) = center]

Sine and Cosine Complement

sin(x)=cos (90-x) OR cos(x)=sin (90-x)