1.what does XT represent? A. Radius B. Diameter C. Chord D. ARC 2.Which of the following is a chord but not a diameter? A. SR B. QT C. ST D. MN 3.Which of the following is a semicircle? A. QS B. RT C. ST D. SR [tex]help \: me \: please \: because \: i \: need \: help[/tex]