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Üksteise sees olevatel kontsentrilistel objektidel on sama keskpunkt või telg. Kontsentrilised objektid on näiteks ringid, torud, silindrid, kettad ja sfäärid. Kontsentrilistel objektidel on erinev raadius.
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.