h1></div>

    <section class="multi-line-signature">
      <span class="returntype"><a href="dart-ui/Radius-class.html">Radius</a></span>
            <span class="name ">lerp</span>
(<wbr><span class="parameter" id="lerp-param-a"><span class="type-annotation"><a href="dart-ui/Radius-class.html">Radius</a></span> <span class="parameter-name">a</span>, </span> <span class="parameter" id="lerp-param-b"><span class="type-annotation"><a href="dart-ui/Radius-class.html">Radius</a></span> <span class="parameter-n