Cryptarithmetic Puzzles for 2023, Puzzle #34 RAD + RAD = DIAM Leave a reply Two radii make a diameter! RAD + RAD = DIAM This puzzle is trickier than it looks, but definitely doable by hand. Solutions are below the image. SPOILER SOLUTIONS! RAD_first RAD_second DIAM_third 701 701 1402 801 801 1602 901 901 1802