JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

div {
    width: 200px;
    height: 200px;
    background: url(https://goo.gl/BeSyyD);

    /* The points are: centered top, left bottom, right bottom */
    clip-path: polygon(50% 0, 0 100%, 100% 100%);
}