T. rex's serrated, cone-shaped teeth were most likely used to pierce and grip flesh. Its two-fingered forearms could probably seize prey, but they were too short to reach its mouth. Scientists believe this powerful predator could eat up to 500 pounds (230 kilograms) of meat in one bite.
Angles and distances are measured from the total station to points under survey, and the coordinates (X, Y, and Z or easting, northing and elevation) of surveyed points relative to the total station position are calculated using trigonometry and triangulation.
Because the total station gives a true slope. distance, the vertical difference is simply V = s * sin Î± (see figure below). s V Î±. However, with the stadia reading a correction for the angle between the line of sight and the rod needs to be included: V = s * (sin 2Î±) / 2 (figure not shown).he traditional method involves stadia, where the difference in rod readings at the. upper and lower stadia hairs are converted to a slope distance. The newer method. uses a total-station instrument and prism pole to determine the slope distance. electronically.