Mathematics: PQ and RS are two chords of a circle with centre O. The perpendiculars drawn from O to PQ and RS are OX and OY respectively. Show that PQ² - RS² = 4OY - 4OX.

PQ and RS are two chords of a circle with centre

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shyra94

03.11.2021

Mathematics

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Ответ:

coopera1744

17.08.2020

Mathematics

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PQ and RS are two chords of a circle with centre O. The perpendiculars drawn from O to PQ and RS are OX and OY respectively. Show that PQ² - RS² = 4OY - 4OX.

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