Radical 石

12 strokes

確

stone 石 (115a) + dime 角 (418) = certain 确

Another unique DIY pronunciation.

确实 (250) quèshí indeed, veritably 正确 (29) zhèngquè correct, accurate

(They tossed for it) The dime landed on the stone. “heads — I win!” “Let me see — are you certain?” / [DIY pronunciation]