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