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. 1998 Apr 14;95(8):4121–4125. doi: 10.1073/pnas.95.8.4121

Table 5.

Mean values of angles—triangulation II

Pan
Gorilla
Pongo
Male (28) Female (26) Male (29) Female (30) Male (30) Female (24)
θ1 1.3287 1.3072 1.2336 1.2815 1.3684 1.2324
θ2 1.3762 1.3763 1.2597 1.3273 0.9987 1.1428
θ3 0.4381 0.4921 0.4326 0.4601 0.4746 0.4914
ψ1 0.7924 0.7791 0.8088 0.8068 0.7503 0.8266
ψ2 1.2580 1.2771 1.3101 1.2617 1.6524 1.5056
ψ3 0.3783 0.4007 0.4086 0.3681 0.4617 0.4061