                        <math overflow="scroll"><mi mathvariant="italic">i</mi></math>
                        </strong></span></th><th class="center"><span class="bold"><strong>
                        Vertex
                        </strong></span></th></tr></thead><tbody><tr><td>
                        Single polygon
                        (<math overflow="scroll">

                            <mrow>
                                <mi mathvariant="italic">i</mi>
                                <mo>==<