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