Math Formulas

1 inch = 2.54 centemeters

12 inches = .3048 meters

(a+b)(a2 +2ab +b2)

a2 - b2+ (a+b)(a-b)

Area:

square = a * a

rectangle = a* b

trapezoid = h/2(b1+b2)

cirle= pi (r*r)

triangle = 1/2 (bh)

Sin = opposite/hypotenuse

Cos= adjacent/hypotenuse

Tan= opposite/adjacent