For items 1-6, refer to the figure on the right.

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]