right-angle-triangle-half-filled

pnpm dlx shadcn@latest add https://opensourceicon.com/r/boxicons/right-angle-triangle-half-filled.json

<svg xmlns="http://www.w3.org/2000/svg" width="96" height="96" viewBox="0 0 24 24"><path fill="currentColor" d="M21.38 2.08c-.37-.15-.8-.07-1.09.22L12 10.59l10 10V3c0-.4-.24-.77-.62-.92M2.29 20.29c-.29.29-.37.72-.22 1.09s.52.62.92.62h17.59l-10-10z"/></svg>