508 Safford—Combinations of Pythagorean Triangles. 
Table II. — Sides of Triangles whose Areas also are expressed by 
Whole Numbers. 
No. of No. of 
triangle. 
a 
b 
e 
triangle. 
a 
b 
c 
1 
13 
14 
15 
19 
52 
61 
87 
2 
4 
13 
15 
20 
23 
61 
68 
3 
10 
17 
21 
21 
21 
61 
68 
4 
9 
10 
17 
22 
53 
100 
141 
5 
51 
52 
53 
23 
51 
53 
100 
6 
4 
51 
53 
24 
53 
339 
364 
7 
29 
75 
92 
25 
53 
308 
339 
8 
29 
52 
75 
26 
143 
339 
350 
9 
13 
37 
40 
27 
77 
145 
156 
10 
13 
30 
37 
28 
145 
147 
194 
11 
15 
41 
52 
29 
113 
145 
194 
12 
15 
28 
41 
30 
53 
117 
136 
13 
43 
61 
68 
31 
53 
80 
117 
14 
41 
51 
58 
32 
73 
143 
180 
15 
33 
41 
58 
33 
73 
84 
143 
16 
25 
74 
77 
34 
45 
89 
116 
17 
25 
63 
74 
35 
89 
116 
123 
18 
61 
74 
87 
36 
73 
148 
195 
37 
73 
85 
148 
Williams College , December 24, 1898. 
