lipse-param-y"><span class="type-annotation"><a href="dart-core/num-class.html">num</a></span> <span class="parameter-name">y</span>, </span> <span class="parameter" id="ellipse-param-radiusX"><span class="type-annotation"><a href="dart-core/num-class.html">num</a></span> <span class="parameter-name">radiusX</span>, </span> <span class="parameter" id="ellipse-param-radiusY"><span class="type-annotation"><a href="dart-core/num-class.html">num</a></span> <span class="parameter-name">radiusY</span>, </span> <s