Size and shape of entrance holes

We recall the size of the entrance holes on Chen's clothing: 1.12 cm long and 0.4 cm wide on the jacket, 2.4 cm long and 0.5 cm wide on the shirt, 1.0 cm long and 0.6 cm wide on the undershirt.⁵⁹Image analysis of the photographs of the clothing showed that the long axis of the entrance hole on the jacket form an angle approximately $58^{\circ}$ with the horizontal base line for the jacket.