How to Prove Ptolemy's Theorem for Cyclic Quadrilaterals
7:02
YouTubeMohamed Omar
How to Prove Ptolemy's Theorem for Cyclic Quadrilaterals
Ptolemy's Theorem relates the diagonals of a quadrilateral inscribed in a circle to its side lengths. We give a proof of this theorem together with an application to a classical geometry theorem. CHECK OUT OTHER TYPES OF VIDEOS: ================================ GRE Math Subject Test: https://www.youtube.com/playlist?list ...
20.8K viewsApr 23, 2020
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2.6M views · 3.1K reactions | Ptolemy’s theorem tells us that, given 3 segments inside a circle, the length of the longest one is always the sum of the length of the two smaller ones... "Mortal as I am, I know that I am born for a day. But when I follow at my pleasure the serried multitude of the stars in their circular course, my feet no longer touch the earth." — Ptolemy | Unify | Facebook
2.6M views · 3.1K reactions | Ptolemy’s theorem tells us that, given 3 segments inside a circle, the length of the longest one is always the sum of the length of the two smaller ones... "Mortal as I am, I know that I am born for a day. But when I follow at my pleasure the serried multitude of the stars in their circular course, my feet no longer touch the earth." — Ptolemy | Unify | Facebook
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