In the figure, PQ is parallel to SQ; QS bisects < PSQ, < PQS is 65º, and < RPS is 20º. What is the size of < PRS?
Attached Figure / Diagram
A
45o
B
35o
C
40o
D
30o
E
42o
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
PSR = 65º x 2 = 130^\circ
PRS = 180º - (130º + 20º) º = 30
Source: WAEC / JAMB / NECO Classroom Archive (Record #32737)