Area of a Parallelogram --- bh (base x height)
Circumference (Perimeter) --- πd
Area of a Circle --- πr2
Area of a Triangle --- 1/2 bh
Area of a Trapezoid --- 1/2(b1 + b2)h
Perimeter of a Quadrilateral/Rectangle --- 2L + 2W
Volume of a Parallelogram --- lwh
if it says i copied and pasted.. i didn't, i didn't have pi symbol so i copied and pasted that... hope this helped tho..
