Davies, Charles, 1798-1876 · New York, Cincinnati [etc.] American book company · leaf 297
ss-section notes, by the records forthe slope stakes. The area of B is thus found to be 104.8 sq. feet, and of i?,116 sq. feet. Now, if a section of this prismoid be taken midway betweenthe two ends, each of its several dimensions must be an arith-metical mean of the corresponding measurements of… … 10.8 ^^: ■^ ^ — _, 6.6 \. i S. XI 9.9 8. 8. 3.9 2.6 M Fig. 151. The area of if is 111.3 sq. ft. Vol. of the prismoid = - x 100 (104.8 + 116 + 445.2), = 11100 cuhic feet. 328. In appljdng the prismoidal formula to an example incv^hich one end section has more given dimensions than the other,the…
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![An illustration from Divina proportione : opera a tutti glingegni perspicaci e curiosi necessaria oue ciascun studioso di philosophia: prospettiua pictura sculptura: architectura: musica: e altre mathematice: suavissima: sotile: e admirabile doctrina consequira: e delecterassi: co[n] varie questione de secretissima scientia (1509)](https://img.insideoutlibrary.com/img/200/ia-divinaproportion00paci-122-336.webp)
