General Math Formulas

Terms	Definitions
area of rectangle	length x width
perimeter of rectangle	(length + width) x 2
area of parallelogram	base x height
area of triangle	(base x height) ÷ 2
perimeter of triangle	side 1 + side 1 + side 3
area of trapezoid	[(base 1 + base 2) ÷ 2] x height
area of circle	3.14 x radius x radius
circumference of circle	3.14 x diameter (radius x 2)
volume of rectangular prism	length x width x height
surface area of rectangular prism	2lw + 2lh +2wh
surface area of cylinder	(2 x 3.14 x r x h) + (2 x 3.14 x r x h)
volume of cylinder	3.14 x r x r x h
area of parallelogram	a=b*h
area of rectangle	a=l*w
area of triangle	a=b*h\2
area of trapezoid	a=(b1+b2)\2*h
area of circle	a=pi*r2
volume of triangular prism	v=b*h/2
volume of rectangular prism	v=l*w*h
volume of cylinder	v=pi*r2*h
SA of rectangle	2hw+2lh+2lw
2w+2l	perimeter of rectangle
circumference of a circle	2∏r
area of a circle	∏r²
length of an arc	(n/360) x 2∏r
area of a sector	(n/360) x 2∏r
volume of a cylinder	∏r²h
volume of a sphere	(4/3)∏r³