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Who made the first English translation of Euclid’s Elements?

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Three theorems of congruent triangles — Euclidean geometry This diagram depicts three basic theorems that triangles are congruent—that is, they are of equal shape and size—if: (1) two sides and the included angle are equal, designated SAS; (2) two angles and the included side are equal, designated ASA; or (3) all three sides are equal, designated SSS.

The first English translation of Euclid’s Elements was completed by Sir Henry Billingsley in 1570.12