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.
The angles can be measured using a tool called protractor. As the angle along a straight line is 180 o, the protractor shows 180 o from either side of it. The following diagram shows a protractor.The definite angles like 45o, 30o, 60o and 90o can be measured using the geometrical tool called Set Square.btuse angle: When the measure of the angle is more than 90o and less than 180o, then the angle is called an obtuse angle. Example: 91o, 100o, 179o 5. Straight angle: When the angle measure exactly 180o, then the angle is called a straight angle. 6.