This page has been nominated for deletion. Reason given: Incomplete. Not sufficient for even a stub

Administrators, please check the talk page and page history before deleting the page.

prove that a non-rectangular parallelogram are not cyclic.

Prove that a non-isosceles trapizium are not cyclic

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.