Matching Pairs Match the Geometry FormulasOnline version Match formulas by Shauna Holt 1 Volume of a Prism 2 Area of a parallelogram 3 Area of a Circle 4 Area of a Triangle 5 Area of a Trapezoid 6 Circumference of a circle 7 Volume of a cylinder b h pi d 1/2 b h (b1 + b2) 1/2 b h Area of the Base x height pi r r pi r r h