One Atta Time Flash Cards Distance Learning Create New Sheet Select a Worksheet > Version 1 Version 2 Version 3 Version 4 Version 5 Version 6 Version 7 Version 8 Version 9 Version 10 Grab 'em All Finding Missing Side Length of Rectangle with Decimals Use the area of a rectangle to figure out a missing side length when the other side is given.Divide with decimals to find the unknown width or height of a rectangle.