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