<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31402741</termId><termName>decagons</termName><termType>PT</termType><termNote><![CDATA[ Geometric plane figures having ten sides and ten angles. ]]></termNote><termCreatedDate>2026-03-30 20:48:18</termCreatedDate><relation><relationType>UF</relationType><termId>31402742</termId><termName>decagon</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31361605</termId><termName>polygons</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31362887</termId><termName>decagonal</termName><termType>PT</termType></relation></term>  </Zthes>