A.Choose the letter of the best answer.
6.Which of the following does not belong to the group?
A. line
B. point
C. plane
D. line segment

7. grain of sand : point, strand of hair :
A.Ray
B. line
C. plane
D. point

8. The statement "a triangle is a three-sided polygon" is a
A. theorem
B. undefined term
C. postulate
D. definition

9. If AABC = ADEF, which of the statements below is always true?
A. LALE
B, 2C 2D
C. AC DF
D. AB = EF

10. If SU = TO, UN = OP and SN = TP, then what can be concluded?
A. ASUN = ATOP
C. ASPN = OUT
Β. ΔUST 2 ΔΟΡΝ
D. ASON = ATUP

11. In AHOT, what is the included angle of HO and OT?
A. LH B.LT
C.2O
D. both A and B​