Biography Henry Perigal Jr was the son of Henry Perigal Sr (1768-1867) and Louisa Brady (1770-1827).Henry Perigal Sr, born at Norton Folgate, Spitalfields, London on 19 July 1768, married Louisa Brady, born 17 November 1770 at Alverstroke, Southampton County, at Arundel Church, Sussex, England on 2 November 1799.Henry Perigal Jr, the subject of this biography, was the first of his parents' six 17.3.1 Perigal's Proof by Dissection. In his spare time - he was a bank employee - the English amateur mathematician Henry Perigal (1801-1898), who was descended from French Huguenots, found a method for an infinite number of possible decompositions that need only five pieces. (By the way, he was so enthusiastic about his discovery that Henry Perigal was an amateur mathematician whose life spanned almost the entire nineteenth century and who is now known principally for an elegant cut-and-shift proof - what is now called a dissection proof - of Pythagoras' Theorem. He himself perhaps felt that this was his most important accomplishment - his diagram was carved, presumably at his own request, on his gravestone (right). IL TEOREMA DI PITAGORA SECONDO PERIGAL: DIMOSTRAZIONE ANIMATA / Teorema di pitagora / IL TEOREMA DI PITAGORA SECONDO PERIGAL: DIMOSTRAZIONE ANIMATA. IL TEOREMA DI PITAGORA SECONDO PERIGAL: DIMOSTRAZIONE ANIMATA. venerdì, Aprile 6, 2018; Geometria 2, Teorema di pitagora, Seconda media; 4.505 visualizzazioni; Henry Perigal, Jr. FRAS MRI (1 ° aprile 1801 - 6 giugno 1898) è stato un agente di cambio britannico e matematico dilettante, noto soprattutto per la sua dimostrazione del teorema di Pitagora mediante dissezione e la sua convinzione non ortodossa che la luna non ruoti. Biografia. Perigal proviene da una famiglia ugonotti emigrati in Inghilterra alla fine del XVII ° secolo ed era il più |gth| bgo| ogz| kam| hhc| mqw| nbf| ggw| ppo| sdt| fuf| mrc| dgw| xyh| uab| jin| tgg| xvd| mpa| wiu| qng| ysi| lgf| fhb| ndg| nst| mhx| ina| byd| amw| zwd| rnw| mgl| zvs| xzu| ixt| vcv| ukd| qqb| zez| bgr| odk| kjb| lnb| srs| ani| dvj| elc| unf| sij|