<font-awesome-icon icon="fa-solid fa-angle-right" />
<FontAwesomeIcon icon="fa-solid fa-angle-right" />
.my-icon::before {
font: var(--fa-font-solid);
content: "\f105";
}
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 512" style="width: 30px;height: 30px;fill: black">
<path d="M64 448c-8.188 0-16.38-3.125-22.62-9.375c-12.5-12.5-12.5-32.75 0-45.25L178.8 256L41.38 118.6c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0l160 160c12.5 12.5 12.5 32.75 0 45.25l-160 160C80.38 444.9 72.19 448 64 448z"/>
</svg>
<i class="fa-solid fa-angle-right"></i>