Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 95
RY Of Right Angled T r ; a n g 1 e s. In the same manner itmay be proved, that the rect-angle DG is equivalent tothe square CK But the two rectanglesBE, DG, make up thesquare BG : therefore, thesquare BG, described onthe hypothenuse, is equiva-lent to the squares BL andCK, described on the othertwo… … AB4o or £C20 Sch. The last theoremmay be illustrated by de-scribing a square on the hy-pothenuse BC, equal to 5,also on the sides BA, A C,respectively equal to 4 and 3 ;and observing that the num-ber of small squares in thelarge square is equal to thenumber in the two smallsquares ■■ACT-BCf AC-AB4
Geometry · Plane trigonometry
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