In diagram above, QR//TU, < PQR = 80^\circ and < PSU = 95^\circ. Calculate < SUT.
Attached Figure / Diagram
A
15o
B
25o
C
30o
D
80o
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
< PQR = < PTU = 80^\circ
< TSU = 85^\circ
x = 180^\circ - (80^\circ + 85^\circ)
= 15^\circ
Source: Myschool Past Questions Archive (Record #33163)