17. In the figure at the right, U is the midpoint of SN.
If SU = 2x + 3 and UN = 3x, then the length of SN is
A 3
c. 16
B. 9
D. 18

18. How many corresponding congruent parts are there between two congruent
triangles?
A9
B. 6
C. 3
D. 1

19. In AFIL and AENG, FI = EN, IL = NG, and FL = EG. What postulate proves that the
two triangles are congruent?
A. ASA
B. SAS
C. SAA
D. SSS

20. Two triangles are congruent if and only if all of their six corresponding parts are
congruent.
A. Always True
C. Never True
B. Sometimes True
D. Cannot be determined

Pasagot po salamat.​