If PN is perpendicular to QR, find the value of tan x.
Attached Figure / Diagram
A
\(\frac{5}{9}\)
B
\(\frac{3}{5}\)
C
\(\frac{3}{4}\)
D
\(\frac{4}{3}\)
E
\(\frac{5}{3}\)
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
By Pythagoras QN = 4
Since, QR = 9, and QN = 4, then, NR = 5
Tan x = \(\frac{3}{5}\)
Source: Myschool Past Questions Archive (Record #32743)