286 On the Transverse Strain, 
And taking from the example in art. 33 the 
values it supplies, and calling the base of the 
triangle B, and the rest as in Art. 17, we shall 
have, in fig. 5th, Ec = 1, Ef — 9, cp = 
4.872025, DC — B. Hence Ep =5.872025 
Epx CD 5.872025 x B 
=h, a0 = = ee 652447 x 
B — b; and since, by art. 17, m and n were 
such ae that m x Ep = cp, and n x 
4.872025 
Ie SS) ae 9 — 
Bp fi, 8.2 Se are eer and 
f fi  igaldatloss ; 
— i = = 5579095 = -23269 = n, and 
these substituted in the formula above give 
the strength — 
3X 652447 x B(5.872)? (8297)? (.8297)3 
pase ear Re ato 
5327 (5327)? 
8297 (.8297)? 3 4 
} eee me i Fat tg ET Ai 
3.4793 x nil that of the frustum ABCD 
Eee 
when = of the height of the triangle has been 
taken away from its vertex. 
And for the whole triangle, the values are 
CD — B, Ef=9, Ep = 5.799337 (Cor. to 
example, art. 33) —h. Whence pf =9 — 
aa pf Ayt 20066 | 
5.799337 = 3.200663, “Ep = 579034 = = 55190 
= nN, fe —-—l=m, a= Be a Bx —— 
