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Showing 1 to 1 of 1 for “"angle bisector"”.
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A Variety of Proofs of the Steiner-Lehmus Theorem
<p>The Steiner-Lehmus Theorem has garnered much attention since its conception in the 1840s. A variety of proofs resulting from the posing of the theorem are still appearing today, well over 100 years later. There are some amazing similarities among these proofs, as different as they seem to be. …