<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">convex</topic></authority><related type="other"><topic>concave</topic></related><related type="broader"><topic>curved</topic></related> <note xml:lang="en"><![CDATA[ Of a plane figure or a solid, a set of points containing all points in a line joining any two constituent points, for example, the rounded outward exterior curve of a circle or sphere. In a convex polygon, every internal angle is less than or equal to 180 degrees. ]]></note></mads>