idebar-link">Doughnut</a></li><li><a href="/docs/3.9.1/samples/other-charts/multi-series-pie.html" class="sidebar-link">Multi Series Pie</a></li><li><a href="/docs/3.9.1/samples/other-charts/pie.html" class="sidebar-link">Pie</a></li><li><a href="/docs/3.9.1/samples/other-charts/polar-area.html" class="sidebar-link">Polar area</a></li><li><a href="/docs/3.9.1/samples/other-charts/polar-area-center-labels.html" class="sidebar-link">Polar area centered point labels</a></li><li><a href="/docs/3.9.1/samples/oth