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If PN is perpendicular to QR, find the value of tan x.

If PN is perpendicular to QR, find the value of tan x.
  • A.
    (frac{5}{9})
  • B.
    (frac{3}{5})
  • C.
    (frac{3}{4})
  • D.
    (frac{4}{3})
  • E.
    (frac{5}{3})
Correct Answer: Option B
Explanation

By Pythagoras ON = 4
NR = 5
Tan x = (frac{3}{5})