Perimeter of a square P= 4s

Perimeter of a rectangle P=2l+2w

Circumference of a circle C=2πr or πd

Area of a parallelogram A=bh

Area of a rectangle A=lw

Area of a square A=s²

Area of a circle A=πr²

Area of a triangle A=bh/2

Surface area of any pyramid SA=B+1/2P

Surface Area of a Cylinder SA=2πr²+2πrh

Surface Area of a Cone SA=πrl+πr²

Surface area of a sphere 4πr²

Volume of any prism V=Bh

Volume of any pyramid V=Bh/3

Volume of a cylinder V=πr²h

Volume of a cone V=πr²h/3

Volume of a sphere V=4πr³/3

Surface Area of Any Prism SA=2B+Ph

Area of a trapezoid A=1/2(b1+b2)h