the tyrannosaurus Rex also Known as T-Rex was one of the largesl land predators to have erer lived The T-Rex could grow to 40 feet in length (a little longer than a school bus)and couldstand 13 feet tall at the hips(about three feet taller then a basketball hoop) It lived in what is now western North america and may have even been partly covered in feathers The tyrannosaurus Rex was afearsome predator with strong jaws and up to 60 teeth.some of these teeth could gorw to be almsot a foot long The T-Rex was a strict carnivore (meat-eater)and hunted other dinosaurs.Scientists aren't sure how fast the T-Rex could run,or,even if it could run at all.ln1990,a foss il hunter found the most complete skeleton of a tyrannosaurus Rex ever found! It was sold toa museum for$80 million dollars,the highest amount ever paid dinosaur foss ils