Home » From a point P, R is 5km due west and 12km due south. Find the…

From a point P, R is 5km due west and 12km due south. Find the…

From a point P, R is 5km due west and 12km due south. Find the distance between P and R
  • A.
    5km
  • B.
    12km
  • C.
    13km
  • D.
    17km
Correct Answer: Option C
Explanation

Using Pythagoras theorem
(|PR|^2=|PO|^2+|OR|^2\
|PR|^2=5^2+12^2\
|PR|=sqrt{25+144}=sqrt{169}=13km)

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